20121012723

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8790307}}^1$

素因数の和:8790426

約数の個数: 16

約数和(自身を含む): 30941884160

約数和(自身を除く): 10820871437

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8790307, 26370921, 61532149, 184596447, 958143463, 2874430389, 6707004241, 20121012723]

約数ペア:

[(1, 20121012723), (3, 6707004241), (7, 2874430389), (21, 958143463), (109, 184596447), (327, 61532149), (763, 26370921), (2289, 8790307)]