201411

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 349440

約数和(自身を除く): 148029

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 139, 161, 207, 417, 483, 973, 1251, 1449, 2919, 3197, 8757, 9591, 22379, 28773, 67137, 201411]

約数ペア:

[(1, 201411), (3, 67137), (7, 28773), (9, 22379), (21, 9591), (23, 8757), (63, 3197), (69, 2919), (139, 1449), (161, 1251), (207, 973), (417, 483)]