199819257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{318691}}^1$

素因数の和:318724

約数の個数: 16

約数和(自身を含む): 305944320

約数和(自身を除く): 106125063

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 318691, 956073, 3505601, 6055129, 10516803, 18165387, 66606419, 199819257]

約数ペア:

[(1, 199819257), (3, 66606419), (11, 18165387), (19, 10516803), (33, 6055129), (57, 3505601), (209, 956073), (627, 318691)]