31328445

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 52392960

約数和(自身を除く): 21064515

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 267, 445, 465, 757, 1335, 2271, 2759, 3785, 8277, 11355, 13795, 23467, 41385, 67373, 70401, 117335, 202119, 336865, 352005, 1010595, 2088563, 6265689, 10442815, 31328445]

約数ペア:

[(1, 31328445), (3, 10442815), (5, 6265689), (15, 2088563), (31, 1010595), (89, 352005), (93, 336865), (155, 202119), (267, 117335), (445, 70401), (465, 67373), (757, 41385), (1335, 23467), (2271, 13795), (2759, 11355), (3785, 8277)]