51363921

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{18671}}^1$

素因数の和:18812

約数の個数: 16

約数和(自身を含む): 78870528

約数和(自身を除く): 27506607

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 18671, 56013, 130697, 392091, 2445901, 7337703, 17121307, 51363921]

約数ペア:

[(1, 51363921), (3, 17121307), (7, 7337703), (21, 2445901), (131, 392091), (393, 130697), (917, 56013), (2751, 18671)]