215318529

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{9769}}^1$

素因数の和:9885

約数の個数: 24

約数和(自身を含む): 325145600

約数和(自身を除く): 109827071

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 2449, 7347, 9769, 22041, 29307, 87921, 302839, 771751, 908517, 2315253, 2725551, 6945759, 23924281, 71772843, 215318529]

約数ペア:

[(1, 215318529), (3, 71772843), (9, 23924281), (31, 6945759), (79, 2725551), (93, 2315253), (237, 908517), (279, 771751), (711, 302839), (2449, 87921), (7347, 29307), (9769, 22041)]