1620984963

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{40471}}^1$

素因数の和:40579

約数の個数: 24

約数和(自身を含む): 2370040320

約数和(自身を除く): 749055357

約数列:

[1, 3, 13, 39, 79, 169, 237, 507, 1027, 3081, 13351, 40053, 40471, 121413, 526123, 1578369, 3197209, 6839599, 9591627, 20518797, 41563717, 124691151, 540328321, 1620984963]

約数ペア:

[(1, 1620984963), (3, 540328321), (13, 124691151), (39, 41563717), (79, 20518797), (169, 9591627), (237, 6839599), (507, 3197209), (1027, 1578369), (3081, 526123), (13351, 121413), (40053, 40471)]