23911209

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{773}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 39604032

約数和(自身を除く): 15692823

約数列:

[1, 3, 7, 9, 21, 63, 491, 773, 1473, 2319, 3437, 4419, 5411, 6957, 10311, 16233, 30933, 48699, 379543, 1138629, 2656801, 3415887, 7970403, 23911209]

約数ペア:

[(1, 23911209), (3, 7970403), (7, 3415887), (9, 2656801), (21, 1138629), (63, 379543), (491, 48699), (773, 30933), (1473, 16233), (2319, 10311), (3437, 6957), (4419, 5411)]