155540721

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 240787456

約数和(自身を除く): 85246735

約数列:

[1, 3, 7, 21, 151, 181, 271, 453, 543, 813, 1057, 1267, 1897, 3171, 3801, 5691, 27331, 40921, 49051, 81993, 122763, 147153, 191317, 286447, 343357, 573951, 859341, 1030071, 7406701, 22220103, 51846907, 155540721]

約数ペア:

[(1, 155540721), (3, 51846907), (7, 22220103), (21, 7406701), (151, 1030071), (181, 859341), (271, 573951), (453, 343357), (543, 286447), (813, 191317), (1057, 147153), (1267, 122763), (1897, 81993), (3171, 49051), (3801, 40921), (5691, 27331)]