668205525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{685339}}^1$

素因数の和:685365

約数の個数: 24

約数和(自身を含む): 1189750240

約数和(自身を除く): 521544715

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 685339, 2056017, 3426695, 8909407, 10280085, 17133475, 26728221, 44547035, 51400425, 133641105, 222735175, 668205525]

約数ペア:

[(1, 668205525), (3, 222735175), (5, 133641105), (13, 51400425), (15, 44547035), (25, 26728221), (39, 17133475), (65, 10280085), (75, 8909407), (195, 3426695), (325, 2056017), (975, 685339)]