28480335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7687}}^1$

素因数の和:7727

約数の個数: 32

約数和(自身を含む): 51663360

約数和(自身を除く): 23183025

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7687, 23061, 38435, 99931, 115305, 146053, 299793, 438159, 499655, 730265, 1498965, 1898689, 2190795, 5696067, 9493445, 28480335]

約数ペア:

[(1, 28480335), (3, 9493445), (5, 5696067), (13, 2190795), (15, 1898689), (19, 1498965), (39, 730265), (57, 499655), (65, 438159), (95, 299793), (195, 146053), (247, 115305), (285, 99931), (741, 38435), (1235, 23061), (3705, 7687)]