1218198525

素因数分解:

$3^1\times 5^2\times {\mathrm{383}}^1\times {\mathrm{42409}}^1$

素因数の和:42805

約数の個数: 24

約数和(自身を含む): 2019394560

約数和(自身を除く): 801196035

約数列:

[1, 3, 5, 15, 25, 75, 383, 1149, 1915, 5745, 9575, 28725, 42409, 127227, 212045, 636135, 1060225, 3180675, 16242647, 48727941, 81213235, 243639705, 406066175, 1218198525]

約数ペア:

[(1, 1218198525), (3, 406066175), (5, 243639705), (15, 81213235), (25, 48727941), (75, 16242647), (383, 3180675), (1149, 1060225), (1915, 636135), (5745, 212045), (9575, 127227), (28725, 42409)]