81420678

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 180516336

約数和(自身を除く): 99095658

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 181, 201, 362, 373, 402, 543, 603, 746, 1086, 1119, 1206, 1629, 2238, 3258, 3357, 6714, 12127, 24254, 24991, 36381, 49982, 67513, 72762, 74973, 109143, 135026, 149946, 202539, 218286, 224919, 405078, 449838, 607617, 1215234, 4523371, 9046742, 13570113, 27140226, 40710339, 81420678]

約数ペア:

[(1, 81420678), (2, 40710339), (3, 27140226), (6, 13570113), (9, 9046742), (18, 4523371), (67, 1215234), (134, 607617), (181, 449838), (201, 405078), (362, 224919), (373, 218286), (402, 202539), (543, 149946), (603, 135026), (746, 109143), (1086, 74973), (1119, 72762), (1206, 67513), (1629, 49982), (2238, 36381), (3258, 24991), (3357, 24254), (6714, 12127)]