15521849

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 18635520

約数和(自身を除く): 3113671

約数列:

[1, 7, 23, 161, 229, 421, 1603, 2947, 5267, 9683, 36869, 67781, 96409, 674863, 2217407, 15521849]

約数ペア:

[(1, 15521849), (7, 2217407), (23, 674863), (161, 96409), (229, 67781), (421, 36869), (1603, 9683), (2947, 5267)]