221409666

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 547430400

約数和(自身を除く): 326020734

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 71, 79, 86, 102, 129, 142, 153, 158, 213, 237, 258, 306, 387, 426, 459, 474, 639, 711, 731, 774, 918, 1161, 1207, 1278, 1343, 1422, 1462, 1917, 2133, 2193, 2322, 2414, 2686, 3053, 3397, 3621, 3834, 4029, 4266, 4386, 5609, 6106, 6579, 6794, 7242, 8058, 9159, 10191, 10863, 11218, 12087, 13158, 16827, 18318, 19737, 20382, 21726, 24174, 27477, 30573, 32589, 33654, 36261, 39474, 50481, 51901, 54954, 57749, 61146, 65178, 72522, 82431, 91719, 95353, 100962, 103802, 115498, 151443, 155703, 164862, 173247, 183438, 190706, 241187, 286059, 302886, 311406, 346494, 467109, 482374, 519741, 572118, 723561, 858177, 934218, 1039482, 1401327, 1447122, 1559223, 1716354, 2170683, 2574531, 2802654, 3118446, 4100179, 4341366, 5149062, 6512049, 8200358, 12300537, 13024098, 24601074, 36901611, 73803222, 110704833, 221409666]

約数ペア:

[(1, 221409666), (2, 110704833), (3, 73803222), (6, 36901611), (9, 24601074), (17, 13024098), (18, 12300537), (27, 8200358), (34, 6512049), (43, 5149062), (51, 4341366), (54, 4100179), (71, 3118446), (79, 2802654), (86, 2574531), (102, 2170683), (129, 1716354), (142, 1559223), (153, 1447122), (158, 1401327), (213, 1039482), (237, 934218), (258, 858177), (306, 723561), (387, 572118), (426, 519741), (459, 482374), (474, 467109), (639, 346494), (711, 311406), (731, 302886), (774, 286059), (918, 241187), (1161, 190706), (1207, 183438), (1278, 173247), (1343, 164862), (1422, 155703), (1462, 151443), (1917, 115498), (2133, 103802), (2193, 100962), (2322, 95353), (2414, 91719), (2686, 82431), (3053, 72522), (3397, 65178), (3621, 61146), (3834, 57749), (4029, 54954), (4266, 51901), (4386, 50481), (5609, 39474), (6106, 36261), (6579, 33654), (6794, 32589), (7242, 30573), (8058, 27477), (9159, 24174), (10191, 21726), (10863, 20382), (11218, 19737), (12087, 18318), (13158, 16827)]