31283025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 56395200

約数和(自身を除く): 25112175

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 551, 725, 757, 1425, 1653, 2175, 2271, 2755, 3785, 8265, 11355, 13775, 14383, 18925, 21953, 41325, 43149, 56775, 65859, 71915, 109765, 215745, 329295, 359575, 417107, 548825, 1078725, 1251321, 1646475, 2085535, 6256605, 10427675, 31283025]

約数ペア:

[(1, 31283025), (3, 10427675), (5, 6256605), (15, 2085535), (19, 1646475), (25, 1251321), (29, 1078725), (57, 548825), (75, 417107), (87, 359575), (95, 329295), (145, 215745), (285, 109765), (435, 71915), (475, 65859), (551, 56775), (725, 43149), (757, 41325), (1425, 21953), (1653, 18925), (2175, 14383), (2271, 13775), (2755, 11355), (3785, 8265)]