405497988

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 1236004224

約数和(自身を除く): 830506236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 162, 183, 189, 243, 244, 252, 324, 366, 378, 427, 486, 549, 567, 732, 756, 854, 972, 977, 1098, 1134, 1281, 1647, 1701, 1708, 1954, 2196, 2268, 2562, 2931, 3294, 3402, 3843, 3908, 4941, 5124, 5862, 6588, 6804, 6839, 7686, 8793, 9882, 11529, 11724, 13678, 14823, 15372, 17586, 19764, 20517, 23058, 26379, 27356, 29646, 34587, 35172, 41034, 46116, 52758, 59292, 59597, 61551, 69174, 79137, 82068, 103761, 105516, 119194, 123102, 138348, 158274, 178791, 184653, 207522, 237411, 238388, 246204, 316548, 357582, 369306, 415044, 417179, 474822, 536373, 553959, 715164, 738612, 834358, 949644, 1072746, 1107918, 1251537, 1609119, 1661877, 1668716, 2145492, 2215836, 2503074, 3218238, 3323754, 3754611, 4827357, 5006148, 6436476, 6647508, 7509222, 9654714, 11263833, 14482071, 15018444, 19309428, 22527666, 28964142, 33791499, 45055332, 57928284, 67582998, 101374497, 135165996, 202748994, 405497988]

約数ペア:

[(1, 405497988), (2, 202748994), (3, 135165996), (4, 101374497), (6, 67582998), (7, 57928284), (9, 45055332), (12, 33791499), (14, 28964142), (18, 22527666), (21, 19309428), (27, 15018444), (28, 14482071), (36, 11263833), (42, 9654714), (54, 7509222), (61, 6647508), (63, 6436476), (81, 5006148), (84, 4827357), (108, 3754611), (122, 3323754), (126, 3218238), (162, 2503074), (183, 2215836), (189, 2145492), (243, 1668716), (244, 1661877), (252, 1609119), (324, 1251537), (366, 1107918), (378, 1072746), (427, 949644), (486, 834358), (549, 738612), (567, 715164), (732, 553959), (756, 536373), (854, 474822), (972, 417179), (977, 415044), (1098, 369306), (1134, 357582), (1281, 316548), (1647, 246204), (1701, 238388), (1708, 237411), (1954, 207522), (2196, 184653), (2268, 178791), (2562, 158274), (2931, 138348), (3294, 123102), (3402, 119194), (3843, 105516), (3908, 103761), (4941, 82068), (5124, 79137), (5862, 69174), (6588, 61551), (6804, 59597), (6839, 59292), (7686, 52758), (8793, 46116), (9882, 41034), (11529, 35172), (11724, 34587), (13678, 29646), (14823, 27356), (15372, 26379), (17586, 23058), (19764, 20517)]