121210557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4421}}^1$

素因数の和:4493

約数の個数: 32

約数和(自身を含む): 188200320

約数和(自身を除く): 66989763

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 4421, 9139, 13263, 27417, 57473, 83999, 163577, 172419, 251997, 490731, 1091987, 2126501, 3107963, 3275961, 6379503, 9323889, 40403519, 121210557]

約数ペア:

[(1, 121210557), (3, 40403519), (13, 9323889), (19, 6379503), (37, 3275961), (39, 3107963), (57, 2126501), (111, 1091987), (247, 490731), (481, 251997), (703, 172419), (741, 163577), (1443, 83999), (2109, 57473), (4421, 27417), (9139, 13263)]