15989875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 22576320

約数和(自身を除く): 6586445

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 401, 725, 1375, 1595, 2005, 3625, 4411, 7975, 10025, 11629, 22055, 39875, 50125, 58145, 110275, 127919, 290725, 551375, 639595, 1453625, 3197975, 15989875]

約数ペア:

[(1, 15989875), (5, 3197975), (11, 1453625), (25, 639595), (29, 551375), (55, 290725), (125, 127919), (145, 110275), (275, 58145), (319, 50125), (401, 39875), (725, 22055), (1375, 11629), (1595, 10025), (2005, 7975), (3625, 4411)]