199901877

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{68483}}^1$

素因数の和:68632

約数の個数: 16

約数和(自身を含む): 306808320

約数和(自身を除く): 106906443

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 68483, 205449, 479381, 1438143, 9519137, 28557411, 66633959, 199901877]

約数ペア:

[(1, 199901877), (3, 66633959), (7, 28557411), (21, 9519137), (139, 1438143), (417, 479381), (973, 205449), (2919, 68483)]