203445225

素因数分解:

$3^2\times 5^2\times {\mathrm{904201}}^1$

素因数の和:904217

約数の個数: 18

約数和(自身を含む): 364393406

約数和(自身を除く): 160948181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 904201, 2712603, 4521005, 8137809, 13563015, 22605025, 40689045, 67815075, 203445225]

約数ペア:

[(1, 203445225), (3, 67815075), (5, 40689045), (9, 22605025), (15, 13563015), (25, 8137809), (45, 4521005), (75, 2712603), (225, 904201)]