245996925

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79999}}^1$

素因数の和:80053

約数の個数: 24

約数和(自身を含む): 416640000

約数和(自身を除く): 170643075

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 79999, 239997, 399995, 1199985, 1999975, 3279959, 5999925, 9839877, 16399795, 49199385, 81998975, 245996925]

約数ペア:

[(1, 245996925), (3, 81998975), (5, 49199385), (15, 16399795), (25, 9839877), (41, 5999925), (75, 3279959), (123, 1999975), (205, 1199985), (615, 399995), (1025, 239997), (3075, 79999)]