30871295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3615

約数の個数: 32

約数和(自身を含む): 48007680

約数和(自身を除く): 17136385

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3571, 8645, 17855, 24997, 46423, 67849, 124985, 232115, 324961, 339245, 474943, 882037, 1624805, 2374715, 4410185, 6174259, 30871295]

約数ペア:

[(1, 30871295), (5, 6174259), (7, 4410185), (13, 2374715), (19, 1624805), (35, 882037), (65, 474943), (91, 339245), (95, 324961), (133, 232115), (247, 124985), (455, 67849), (665, 46423), (1235, 24997), (1729, 17855), (3571, 8645)]