12198501

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 20748000

約数和(自身を除く): 8549499

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 199, 417, 441, 597, 973, 1251, 1393, 1791, 2919, 4179, 6811, 8757, 9751, 12537, 20433, 27661, 29253, 61299, 82983, 87759, 193627, 248949, 580881, 1355389, 1742643, 4066167, 12198501]

約数ペア:

[(1, 12198501), (3, 4066167), (7, 1742643), (9, 1355389), (21, 580881), (49, 248949), (63, 193627), (139, 87759), (147, 82983), (199, 61299), (417, 29253), (441, 27661), (597, 20433), (973, 12537), (1251, 9751), (1393, 8757), (1791, 6811), (2919, 4179)]