16977875

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:1999

約数の個数: 16

約数和(自身を含む): 21498048

約数和(自身を除く): 4520173

約数列:

[1, 5, 25, 71, 125, 355, 1775, 1913, 8875, 9565, 47825, 135823, 239125, 679115, 3395575, 16977875]

約数ペア:

[(1, 16977875), (5, 3395575), (25, 679115), (71, 239125), (125, 135823), (355, 47825), (1775, 9565), (1913, 8875)]