207957561

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{21481}}^1$

素因数の和:21952

約数の個数: 16

約数和(自身を含む): 317589888

約数和(自身を除く): 109632327

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 21481, 64443, 150367, 451101, 9902741, 29708223, 69319187, 207957561]

約数ペア:

[(1, 207957561), (3, 69319187), (7, 29708223), (21, 9902741), (461, 451101), (1383, 150367), (3227, 64443), (9681, 21481)]