178393341

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2963}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 282267648

約数和(自身を除く): 103874307

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 2867, 2963, 8601, 8889, 20069, 20741, 60207, 62223, 139261, 180743, 417783, 542229, 974827, 1265201, 2924481, 3795603, 8494921, 25484763, 59464447, 178393341]

約数ペア:

[(1, 178393341), (3, 59464447), (7, 25484763), (21, 8494921), (47, 3795603), (61, 2924481), (141, 1265201), (183, 974827), (329, 542229), (427, 417783), (987, 180743), (1281, 139261), (2867, 62223), (2963, 60207), (8601, 20741), (8889, 20069)]