1997565

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 3463680

約数和(自身を除く): 1466115

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 163, 215, 285, 489, 645, 815, 817, 2445, 2451, 3097, 4085, 7009, 9291, 12255, 15485, 21027, 35045, 46455, 105135, 133171, 399513, 665855, 1997565]

約数ペア:

[(1, 1997565), (3, 665855), (5, 399513), (15, 133171), (19, 105135), (43, 46455), (57, 35045), (95, 21027), (129, 15485), (163, 12255), (215, 9291), (285, 7009), (489, 4085), (645, 3097), (815, 2451), (817, 2445)]