418964013

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{275453}}^1$

素因数の和:275485

約数の個数: 18

約数和(自身を含む): 655305066

約数和(自身を除く): 236341053

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 275453, 826359, 2479077, 3580889, 10742667, 32228001, 46551557, 139654671, 418964013]

約数ペア:

[(1, 418964013), (3, 139654671), (9, 46551557), (13, 32228001), (39, 10742667), (117, 3580889), (169, 2479077), (507, 826359), (1521, 275453)]