29970225

素因数分解:

$3^2\times 5^2\times {\mathrm{133201}}^1$

素因数の和:133217

約数の個数: 18

約数和(自身を含む): 53680406

約数和(自身を除く): 23710181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 133201, 399603, 666005, 1198809, 1998015, 3330025, 5994045, 9990075, 29970225]

約数ペア:

[(1, 29970225), (3, 9990075), (5, 5994045), (9, 3330025), (15, 1998015), (25, 1198809), (45, 666005), (75, 399603), (225, 133201)]