1566225

素因数分解:

$3^2\times 5^2\times {\mathrm{6961}}^1$

素因数の和:6977

約数の個数: 18

約数和(自身を含む): 2805686

約数和(自身を除く): 1239461

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 6961, 20883, 34805, 62649, 104415, 174025, 313245, 522075, 1566225]

約数ペア:

[(1, 1566225), (3, 522075), (5, 313245), (9, 174025), (15, 104415), (25, 62649), (45, 34805), (75, 20883), (225, 6961)]