254748159

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{31139}}^1$

素因数の和:31252

約数の個数: 20

約数和(自身を含む): 384329880

約数和(自身を除く): 129581721

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 31139, 93417, 280251, 840753, 2522259, 3145039, 9435117, 28305351, 84916053, 254748159]

約数ペア:

[(1, 254748159), (3, 84916053), (9, 28305351), (27, 9435117), (81, 3145039), (101, 2522259), (303, 840753), (909, 280251), (2727, 93417), (8181, 31139)]