15120405

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3613}}^1$

素因数の和:3658

約数の個数: 32

約数和(自身を含む): 27755520

約数和(自身を除く): 12635115

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 3613, 4185, 10839, 18065, 32517, 54195, 97551, 112003, 162585, 336009, 487755, 560015, 1008027, 1680045, 3024081, 5040135, 15120405]

約数ペア:

[(1, 15120405), (3, 5040135), (5, 3024081), (9, 1680045), (15, 1008027), (27, 560015), (31, 487755), (45, 336009), (93, 162585), (135, 112003), (155, 97551), (279, 54195), (465, 32517), (837, 18065), (1395, 10839), (3613, 4185)]