199941507

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 310248960

約数和(自身を除く): 110307453

約数列:

[1, 3, 9, 23, 27, 69, 207, 397, 621, 811, 1191, 2433, 3573, 7299, 9131, 10719, 18653, 21897, 27393, 55959, 82179, 167877, 246537, 321967, 503631, 965901, 2897703, 7405241, 8693109, 22215723, 66647169, 199941507]

約数ペア:

[(1, 199941507), (3, 66647169), (9, 22215723), (23, 8693109), (27, 7405241), (69, 2897703), (207, 965901), (397, 503631), (621, 321967), (811, 246537), (1191, 167877), (2433, 82179), (3573, 55959), (7299, 27393), (9131, 21897), (10719, 18653)]