28688865

素因数分解:

$3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3671}}^1$

素因数の和:4200

約数の個数: 16

約数和(自身を含む): 46002816

約数和(自身を除く): 17313951

約数列:

[1, 3, 5, 15, 521, 1563, 2605, 3671, 7815, 11013, 18355, 55065, 1912591, 5737773, 9562955, 28688865]

約数ペア:

[(1, 28688865), (3, 9562955), (5, 5737773), (15, 1912591), (521, 55065), (1563, 18355), (2605, 11013), (3671, 7815)]