201915225

素因数分解:

$3^2\times 5^2\times {\mathrm{897401}}^1$

素因数の和:897417

約数の個数: 18

約数和(自身を含む): 361653006

約数和(自身を除く): 159737781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 897401, 2692203, 4487005, 8076609, 13461015, 22435025, 40383045, 67305075, 201915225]

約数ペア:

[(1, 201915225), (3, 67305075), (5, 40383045), (9, 22435025), (15, 13461015), (25, 8076609), (45, 4487005), (75, 2692203), (225, 897401)]