1999092207

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{310081}}^1$

素因数の和:310398

約数の個数: 16

約数和(自身を含む): 3056168192

約数和(自身を除く): 1057075985

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 310081, 930243, 2170567, 6511701, 95194867, 285584601, 666364069, 1999092207]

約数ペア:

[(1, 1999092207), (3, 666364069), (7, 285584601), (21, 95194867), (307, 6511701), (921, 2170567), (2149, 930243), (6447, 310081)]