78903993

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 122572800

約数和(自身を除く): 43668807

約数列:

[1, 3, 7, 21, 149, 151, 167, 447, 453, 501, 1043, 1057, 1169, 3129, 3171, 3507, 22499, 24883, 25217, 67497, 74649, 75651, 157493, 174181, 176519, 472479, 522543, 529557, 3757333, 11271999, 26301331, 78903993]

約数ペア:

[(1, 78903993), (3, 26301331), (7, 11271999), (21, 3757333), (149, 529557), (151, 522543), (167, 472479), (447, 176519), (453, 174181), (501, 157493), (1043, 75651), (1057, 74649), (1169, 67497), (3129, 25217), (3171, 24883), (3507, 22499)]