31555727

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 37235712

約数和(自身を除く): 5679985

約数列:

[1, 7, 61, 67, 427, 469, 1103, 4087, 7721, 28609, 67283, 73901, 470981, 517307, 4507961, 31555727]

約数ペア:

[(1, 31555727), (7, 4507961), (61, 517307), (67, 470981), (427, 73901), (469, 67283), (1103, 28609), (4087, 7721)]