2670381

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 4608000

約数和(自身を除く): 1937619

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 199, 213, 497, 597, 639, 1393, 1491, 1791, 1917, 4179, 4473, 5373, 12537, 13419, 14129, 37611, 42387, 98903, 127161, 296709, 381483, 890127, 2670381]

約数ペア:

[(1, 2670381), (3, 890127), (7, 381483), (9, 296709), (21, 127161), (27, 98903), (63, 42387), (71, 37611), (189, 14129), (199, 13419), (213, 12537), (497, 5373), (597, 4473), (639, 4179), (1393, 1917), (1491, 1791)]