1978665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 3480960

約数和(自身を除く): 1502295

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 139, 195, 219, 365, 417, 695, 949, 1095, 1807, 2085, 2847, 4745, 5421, 9035, 10147, 14235, 27105, 30441, 50735, 131911, 152205, 395733, 659555, 1978665]

約数ペア:

[(1, 1978665), (3, 659555), (5, 395733), (13, 152205), (15, 131911), (39, 50735), (65, 30441), (73, 27105), (139, 14235), (195, 10147), (219, 9035), (365, 5421), (417, 4745), (695, 2847), (949, 2085), (1095, 1807)]