31427221

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 36837504

約数和(自身を除く): 5410283

約数列:

[1, 7, 67, 113, 469, 593, 791, 4151, 7571, 39731, 52997, 67009, 278117, 469063, 4489603, 31427221]

約数ペア:

[(1, 31427221), (7, 4489603), (67, 469063), (113, 278117), (469, 67009), (593, 52997), (791, 39731), (4151, 7571)]