71566215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97369}}^1$

素因数の和:97391

約数の個数: 24

約数和(自身を含む): 133202160

約数和(自身を除く): 61635945

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 97369, 292107, 486845, 681583, 1460535, 2044749, 3407915, 4771081, 10223745, 14313243, 23855405, 71566215]

約数ペア:

[(1, 71566215), (3, 23855405), (5, 14313243), (7, 10223745), (15, 4771081), (21, 3407915), (35, 2044749), (49, 1460535), (105, 681583), (147, 486845), (245, 292107), (735, 97369)]