1260585

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 2213640

約数和(自身を除く): 953055

約数列:

[1, 3, 5, 9, 15, 45, 109, 257, 327, 545, 771, 981, 1285, 1635, 2313, 3855, 4905, 11565, 28013, 84039, 140065, 252117, 420195, 1260585]

約数ペア:

[(1, 1260585), (3, 420195), (5, 252117), (9, 140065), (15, 84039), (45, 28013), (109, 11565), (257, 4905), (327, 3855), (545, 2313), (771, 1635), (981, 1285)]