40392405

素因数分解:

$3^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 72078720

約数和(自身を除く): 31686315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 433, 691, 1299, 2073, 2165, 3455, 3897, 6219, 6495, 10365, 11691, 18657, 19485, 31095, 58455, 93285, 299203, 897609, 1496015, 2692827, 4488045, 8078481, 13464135, 40392405]

約数ペア:

[(1, 40392405), (3, 13464135), (5, 8078481), (9, 4488045), (15, 2692827), (27, 1496015), (45, 897609), (135, 299203), (433, 93285), (691, 58455), (1299, 31095), (2073, 19485), (2165, 18657), (3455, 11691), (3897, 10365), (6219, 6495)]