215498907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{613957}}^1$

素因数の和:613979

約数の個数: 16

約数和(自身を含む): 343816480

約数和(自身を除く): 128317573

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 613957, 1841871, 5525613, 7981441, 16576839, 23944323, 71832969, 215498907]

約数ペア:

[(1, 215498907), (3, 71832969), (9, 23944323), (13, 16576839), (27, 7981441), (39, 5525613), (117, 1841871), (351, 613957)]