25280469

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 39940992

約数和(自身を除く): 14660523

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 251, 279, 361, 589, 753, 1083, 1767, 2259, 3249, 4769, 5301, 7781, 11191, 14307, 23343, 33573, 42921, 70029, 90611, 100719, 147839, 271833, 443517, 815499, 1330551, 2808941, 8426823, 25280469]

約数ペア:

[(1, 25280469), (3, 8426823), (9, 2808941), (19, 1330551), (31, 815499), (57, 443517), (93, 271833), (171, 147839), (251, 100719), (279, 90611), (361, 70029), (589, 42921), (753, 33573), (1083, 23343), (1767, 14307), (2259, 11191), (3249, 7781), (4769, 5301)]