156968181

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{220771}}^1$

素因数の和:220856

約数の個数: 12

約数和(自身を含む): 229602880

約数和(自身を除く): 72634699

約数列:

[1, 3, 9, 79, 237, 711, 220771, 662313, 1986939, 17440909, 52322727, 156968181]

約数ペア:

[(1, 156968181), (3, 52322727), (9, 17440909), (79, 1986939), (237, 662313), (711, 220771)]