199900521

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{321901}}^1$

素因数の和:321933

約数の個数: 16

約数和(自身を含む): 309025920

約数和(自身を除く): 109125399

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 321901, 965703, 2897109, 7403723, 8691327, 22211169, 66633507, 199900521]

約数ペア:

[(1, 199900521), (3, 66633507), (9, 22211169), (23, 8691327), (27, 7403723), (69, 2897109), (207, 965703), (621, 321901)]