28657695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173683}}^1$

素因数の和:173702

約数の個数: 16

約数和(自身を含む): 50020992

約数和(自身を除く): 21363297

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173683, 521049, 868415, 1910513, 2605245, 5731539, 9552565, 28657695]

約数ペア:

[(1, 28657695), (3, 9552565), (5, 5731539), (11, 2605245), (15, 1910513), (33, 868415), (55, 521049), (165, 173683)]