388632735

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4871}}^1$

素因数の和:5085

約数の個数: 40

約数和(自身を含む): 700340256

約数和(自身を除く): 311707521

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 985, 1773, 2955, 4871, 5319, 8865, 14613, 15957, 24355, 26595, 43839, 73065, 79785, 131517, 219195, 394551, 657585, 959587, 1972755, 2878761, 4797935, 8636283, 14393805, 25908849, 43181415, 77726547, 129544245, 388632735]

約数ペア:

[(1, 388632735), (3, 129544245), (5, 77726547), (9, 43181415), (15, 25908849), (27, 14393805), (45, 8636283), (81, 4797935), (135, 2878761), (197, 1972755), (405, 959587), (591, 657585), (985, 394551), (1773, 219195), (2955, 131517), (4871, 79785), (5319, 73065), (8865, 43839), (14613, 26595), (15957, 24355)]