90135225

素因数分解:

$3^2\times 5^2\times {\mathrm{400601}}^1$

素因数の和:400617

約数の個数: 18

約数和(自身を含む): 161442606

約数和(自身を除く): 71307381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 400601, 1201803, 2003005, 3605409, 6009015, 10015025, 18027045, 30045075, 90135225]

約数ペア:

[(1, 90135225), (3, 30045075), (5, 18027045), (9, 10015025), (15, 6009015), (25, 3605409), (45, 2003005), (75, 1201803), (225, 400601)]