28417155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 49788480

約数和(自身を除く): 21371325

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 2389, 3965, 7167, 11895, 11945, 31057, 35835, 93171, 145729, 155285, 437187, 465855, 728645, 1894477, 2185935, 5683431, 9472385, 28417155]

約数ペア:

[(1, 28417155), (3, 9472385), (5, 5683431), (13, 2185935), (15, 1894477), (39, 728645), (61, 465855), (65, 437187), (183, 155285), (195, 145729), (305, 93171), (793, 35835), (915, 31057), (2379, 11945), (2389, 11895), (3965, 7167)]