201998115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{408077}}^1$

素因数の和:408099

約数の個数: 24

約数和(自身を含む): 381961008

約数和(自身を除く): 179962893

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 408077, 1224231, 2040385, 3672693, 4488847, 6121155, 13466541, 18363465, 22444235, 40399623, 67332705, 201998115]

約数ペア:

[(1, 201998115), (3, 67332705), (5, 40399623), (9, 22444235), (11, 18363465), (15, 13466541), (33, 6121155), (45, 4488847), (55, 3672693), (99, 2040385), (165, 1224231), (495, 408077)]