18214623

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 30979728

約数和(自身を除く): 12765105

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 401, 441, 721, 927, 1203, 2163, 2807, 3609, 5047, 6489, 8421, 15141, 19649, 25263, 41303, 45423, 58947, 123909, 176841, 289121, 371727, 867363, 2023847, 2602089, 6071541, 18214623]

約数ペア:

[(1, 18214623), (3, 6071541), (7, 2602089), (9, 2023847), (21, 867363), (49, 371727), (63, 289121), (103, 176841), (147, 123909), (309, 58947), (401, 45423), (441, 41303), (721, 25263), (927, 19649), (1203, 15141), (2163, 8421), (2807, 6489), (3609, 5047)]