128518515

素因数分解:

$3^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1553}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 228997440

約数和(自身を除く): 100478925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 613, 1553, 1839, 3065, 4659, 5517, 7765, 9195, 13977, 16551, 23295, 27585, 41931, 69885, 82755, 209655, 951989, 2855967, 4759945, 8567901, 14279835, 25703703, 42839505, 128518515]

約数ペア:

[(1, 128518515), (3, 42839505), (5, 25703703), (9, 14279835), (15, 8567901), (27, 4759945), (45, 2855967), (135, 951989), (613, 209655), (1553, 82755), (1839, 69885), (3065, 41931), (4659, 27585), (5517, 23295), (7765, 16551), (9195, 13977)]