9903789

素因数分解:

$3^4\times 7^1\times {\mathrm{17467}}^1$

素因数の和:17486

約数の個数: 20

約数和(自身を含む): 16909024

約数和(自身を除く): 7005235

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 17467, 52401, 122269, 157203, 366807, 471609, 1100421, 1414827, 3301263, 9903789]

約数ペア:

[(1, 9903789), (3, 3301263), (7, 1414827), (9, 1100421), (21, 471609), (27, 366807), (63, 157203), (81, 122269), (189, 52401), (567, 17467)]