215325513

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{613463}}^1$

素因数の和:613485

約数の個数: 16

約数和(自身を含む): 343539840

約数和(自身を除く): 128214327

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 613463, 1840389, 5521167, 7975019, 16563501, 23925057, 71775171, 215325513]

約数ペア:

[(1, 215325513), (3, 71775171), (9, 23925057), (13, 16563501), (27, 7975019), (39, 5521167), (117, 1840389), (351, 613463)]