7212947

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 8913600

約数和(自身を除く): 1700653

約数列:

[1, 7, 17, 49, 119, 343, 833, 1237, 5831, 8659, 21029, 60613, 147203, 424291, 1030421, 7212947]

約数ペア:

[(1, 7212947), (7, 1030421), (17, 424291), (49, 147203), (119, 60613), (343, 21029), (833, 8659), (1237, 5831)]