30947787

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20347}}^1$

素因数の和:20379

約数の個数: 18

約数和(自身を含む): 48407892

約数和(自身を除く): 17460105

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20347, 61041, 183123, 264511, 793533, 2380599, 3438643, 10315929, 30947787]

約数ペア:

[(1, 30947787), (3, 10315929), (9, 3438643), (13, 2380599), (39, 793533), (117, 264511), (169, 183123), (507, 61041), (1521, 20347)]