281673

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 494208

約数和(自身を除く): 212535

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 263, 357, 789, 1071, 1841, 2367, 4471, 5523, 13413, 16569, 31297, 40239, 93891, 281673]

約数ペア:

[(1, 281673), (3, 93891), (7, 40239), (9, 31297), (17, 16569), (21, 13413), (51, 5523), (63, 4471), (119, 2367), (153, 1841), (263, 1071), (357, 789)]