1985751

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3066336

約数和(自身を除く): 1080585

約数列:

[1, 3, 9, 23, 53, 69, 159, 181, 207, 477, 543, 1219, 1629, 3657, 4163, 9593, 10971, 12489, 28779, 37467, 86337, 220639, 661917, 1985751]

約数ペア:

[(1, 1985751), (3, 661917), (9, 220639), (23, 86337), (53, 37467), (69, 28779), (159, 12489), (181, 10971), (207, 9593), (477, 4163), (543, 3657), (1219, 1629)]