198071997

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1\times {\mathrm{821}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 266801472

約数和(自身を除く): 68729475

約数列:

[1, 3, 137, 411, 587, 821, 1761, 2463, 80419, 112477, 241257, 337431, 481927, 1445781, 66023999, 198071997]

約数ペア:

[(1, 198071997), (3, 66023999), (137, 1445781), (411, 481927), (587, 337431), (821, 241257), (1761, 112477), (2463, 80419)]