638659755

素因数分解:

$3^3\times 5^1\times {\mathrm{4730813}}^1$

素因数の和:4730827

約数の個数: 16

約数和(自身を含む): 1135395360

約数和(自身を除く): 496735605

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4730813, 14192439, 23654065, 42577317, 70962195, 127731951, 212886585, 638659755]

約数ペア:

[(1, 638659755), (3, 212886585), (5, 127731951), (9, 70962195), (15, 42577317), (27, 23654065), (45, 14192439), (135, 4730813)]