15890805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 32033664

約数和(自身を除く): 16142859

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 827, 915, 1281, 2135, 2481, 2745, 3843, 4135, 5789, 6405, 7443, 12405, 17367, 19215, 28945, 37215, 50447, 52101, 86835, 151341, 252235, 260505, 353129, 454023, 756705, 1059387, 1765645, 2270115, 3178161, 5296935, 15890805]

約数ペア:

[(1, 15890805), (3, 5296935), (5, 3178161), (7, 2270115), (9, 1765645), (15, 1059387), (21, 756705), (35, 454023), (45, 353129), (61, 260505), (63, 252235), (105, 151341), (183, 86835), (305, 52101), (315, 50447), (427, 37215), (549, 28945), (827, 19215), (915, 17367), (1281, 12405), (2135, 7443), (2481, 6405), (2745, 5789), (3843, 4135)]