1978889454

素因数分解:

$2^1\times 3^9\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:3003

約数の個数: 80

約数和(自身を含む): 4715927568

約数和(自身を除く): 2737038114

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 729, 918, 1377, 1458, 2187, 2754, 2957, 4131, 4374, 5914, 6561, 8262, 8871, 12393, 13122, 17742, 19683, 24786, 26613, 37179, 39366, 50269, 53226, 74358, 79839, 100538, 111537, 150807, 159678, 223074, 239517, 301614, 334611, 452421, 479034, 669222, 718551, 904842, 1357263, 1437102, 2155653, 2714526, 4071789, 4311306, 6466959, 8143578, 12215367, 12933918, 19400877, 24430734, 36646101, 38801754, 58202631, 73292202, 109938303, 116405262, 219876606, 329814909, 659629818, 989444727, 1978889454]

約数ペア:

[(1, 1978889454), (2, 989444727), (3, 659629818), (6, 329814909), (9, 219876606), (17, 116405262), (18, 109938303), (27, 73292202), (34, 58202631), (51, 38801754), (54, 36646101), (81, 24430734), (102, 19400877), (153, 12933918), (162, 12215367), (243, 8143578), (306, 6466959), (459, 4311306), (486, 4071789), (729, 2714526), (918, 2155653), (1377, 1437102), (1458, 1357263), (2187, 904842), (2754, 718551), (2957, 669222), (4131, 479034), (4374, 452421), (5914, 334611), (6561, 301614), (8262, 239517), (8871, 223074), (12393, 159678), (13122, 150807), (17742, 111537), (19683, 100538), (24786, 79839), (26613, 74358), (37179, 53226), (39366, 50269)]