151553521

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 193605120

約数和(自身を除く): 42051599

約数列:

[1, 7, 17, 47, 49, 79, 119, 329, 343, 553, 799, 833, 1343, 2303, 2401, 3713, 3871, 5593, 5831, 9401, 16121, 25991, 27097, 39151, 40817, 63121, 65807, 112847, 181937, 189679, 274057, 441847, 460649, 1273559, 1918399, 3092929, 3224543, 8914913, 21650503, 151553521]

約数ペア:

[(1, 151553521), (7, 21650503), (17, 8914913), (47, 3224543), (49, 3092929), (79, 1918399), (119, 1273559), (329, 460649), (343, 441847), (553, 274057), (799, 189679), (833, 181937), (1343, 112847), (2303, 65807), (2401, 63121), (3713, 40817), (3871, 39151), (5593, 27097), (5831, 25991), (9401, 16121)]