28187673

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 41164032

約数和(自身を除く): 12976359

約数列:

[1, 3, 23, 37, 61, 69, 111, 181, 183, 543, 851, 1403, 2257, 2553, 4163, 4209, 6697, 6771, 11041, 12489, 20091, 33123, 51911, 154031, 155733, 253943, 408517, 462093, 761829, 1225551, 9395891, 28187673]

約数ペア:

[(1, 28187673), (3, 9395891), (23, 1225551), (37, 761829), (61, 462093), (69, 408517), (111, 253943), (181, 155733), (183, 154031), (543, 51911), (851, 33123), (1403, 20091), (2257, 12489), (2553, 11041), (4163, 6771), (4209, 6697)]