216947601

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{3329}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 338181480

約数和(自身を除く): 121233879

約数列:

[1, 3, 9, 13, 39, 117, 557, 1671, 3329, 5013, 7241, 9987, 21723, 29961, 43277, 65169, 129831, 389493, 1854253, 5562759, 16688277, 24105289, 72315867, 216947601]

約数ペア:

[(1, 216947601), (3, 72315867), (9, 24105289), (13, 16688277), (39, 5562759), (117, 1854253), (557, 389493), (1671, 129831), (3329, 65169), (5013, 43277), (7241, 29961), (9987, 21723)]