20183121

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4682

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 15482799

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4643, 13929, 32501, 41787, 97503, 106789, 125361, 292509, 320367, 747523, 877527, 961101, 2242569, 2883303, 6727707, 20183121]

約数ペア:

[(1, 20183121), (3, 6727707), (7, 2883303), (9, 2242569), (21, 961101), (23, 877527), (27, 747523), (63, 320367), (69, 292509), (161, 125361), (189, 106789), (207, 97503), (483, 41787), (621, 32501), (1449, 13929), (4347, 4643)]