73404289

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 86145280

約数和(自身を除く): 12740991

約数列:

[1, 7, 61, 103, 427, 721, 1669, 6283, 11683, 43981, 101809, 171907, 712663, 1203349, 10486327, 73404289]

約数ペア:

[(1, 73404289), (7, 10486327), (61, 1203349), (103, 712663), (427, 171907), (721, 101809), (1669, 43981), (6283, 11683)]