28640685

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5471}}^1$

素因数の和:5828

約数の個数: 16

約数和(自身を含む): 45964800

約数和(自身を除く): 17324115

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 5235, 5471, 16413, 27355, 82065, 1909379, 5728137, 9546895, 28640685]

約数ペア:

[(1, 28640685), (3, 9546895), (5, 5728137), (15, 1909379), (349, 82065), (1047, 27355), (1745, 16413), (5235, 5471)]