66859821

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5333}}^1$

素因数の和:5545

約数の個数: 24

約数和(自身を含む): 110947200

約数和(自身を除く): 44087379

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 5333, 12537, 15999, 37331, 47997, 111993, 335979, 1061267, 3183801, 7428869, 9551403, 22286607, 66859821]

約数ペア:

[(1, 66859821), (3, 22286607), (7, 9551403), (9, 7428869), (21, 3183801), (63, 1061267), (199, 335979), (597, 111993), (1393, 47997), (1791, 37331), (4179, 15999), (5333, 12537)]