15291855

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 27360000

約数和(自身を除く): 12068145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 499, 681, 1135, 1497, 2043, 2495, 3405, 4491, 6129, 7485, 10215, 13473, 22455, 30645, 67365, 113273, 339819, 566365, 1019457, 1699095, 3058371, 5097285, 15291855]

約数ペア:

[(1, 15291855), (3, 5097285), (5, 3058371), (9, 1699095), (15, 1019457), (27, 566365), (45, 339819), (135, 113273), (227, 67365), (499, 30645), (681, 22455), (1135, 13473), (1497, 10215), (2043, 7485), (2495, 6129), (3405, 4491)]