15406605

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 27951000

約数和(自身を除く): 12544395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 349, 405, 545, 981, 1047, 1635, 1745, 2943, 3141, 4905, 5235, 8829, 9423, 14715, 15705, 28269, 38041, 44145, 47115, 114123, 141345, 190205, 342369, 570615, 1027107, 1711845, 3081321, 5135535, 15406605]

約数ペア:

[(1, 15406605), (3, 5135535), (5, 3081321), (9, 1711845), (15, 1027107), (27, 570615), (45, 342369), (81, 190205), (109, 141345), (135, 114123), (327, 47115), (349, 44145), (405, 38041), (545, 28269), (981, 15705), (1047, 14715), (1635, 9423), (1745, 8829), (2943, 5235), (3141, 4905)]