1351805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:2996

約数の個数: 16

約数和(自身を含む): 1997184

約数和(自身を除く): 645379

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2971, 14855, 20797, 38623, 103985, 193115, 270361, 1351805]

約数ペア:

[(1, 1351805), (5, 270361), (7, 193115), (13, 103985), (35, 38623), (65, 20797), (91, 14855), (455, 2971)]