388627425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{90907}}^1$

素因数の和:90942

約数の個数: 36

約数和(自身を含む): 732718480

約数和(自身を除く): 344091055

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 90907, 272721, 454535, 818163, 1363605, 1727233, 2272675, 4090815, 5181699, 6818025, 8636165, 15545097, 20454075, 25908495, 43180825, 77725485, 129542475, 388627425]

約数ペア:

[(1, 388627425), (3, 129542475), (5, 77725485), (9, 43180825), (15, 25908495), (19, 20454075), (25, 15545097), (45, 8636165), (57, 6818025), (75, 5181699), (95, 4090815), (171, 2272675), (225, 1727233), (285, 1363605), (475, 818163), (855, 454535), (1425, 272721), (4275, 90907)]