155413251

素因数分解:

$3^2\times 7^2\times {\mathrm{352411}}^1$

素因数の和:352431

約数の個数: 18

約数和(自身を含む): 261137292

約数和(自身を除く): 105724041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 352411, 1057233, 2466877, 3171699, 7400631, 17268139, 22201893, 51804417, 155413251]

約数ペア:

[(1, 155413251), (3, 51804417), (7, 22201893), (9, 17268139), (21, 7400631), (49, 3171699), (63, 2466877), (147, 1057233), (441, 352411)]