15663897

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 24380928

約数和(自身を除く): 8717031

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 2441, 6417, 7323, 21969, 56143, 75671, 168429, 227013, 505287, 681039, 1740433, 5221299, 15663897]

約数ペア:

[(1, 15663897), (3, 5221299), (9, 1740433), (23, 681039), (31, 505287), (69, 227013), (93, 168429), (207, 75671), (279, 56143), (713, 21969), (2139, 7323), (2441, 6417)]