19998114075

素因数分解:

$3^2\times 5^2\times {\mathrm{88880507}}^1$

素因数の和:88880523

約数の個数: 18

約数和(自身を含む): 35818844724

約数和(自身を除く): 15820730649

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 88880507, 266641521, 444402535, 799924563, 1333207605, 2222012675, 3999622815, 6666038025, 19998114075]

約数ペア:

[(1, 19998114075), (3, 6666038025), (5, 3999622815), (9, 2222012675), (15, 1333207605), (25, 799924563), (45, 444402535), (75, 266641521), (225, 88880507)]