268539921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7019}}^1$

素因数の和:7150

約数の個数: 32

約数和(自身を含む): 432432000

約数和(自身を除く): 163892079

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 981, 1417, 2943, 4251, 7019, 12753, 21057, 38259, 63171, 91247, 189513, 273741, 765071, 821223, 2295213, 2463669, 6885639, 9945923, 20656917, 29837769, 89513307, 268539921]

約数ペア:

[(1, 268539921), (3, 89513307), (9, 29837769), (13, 20656917), (27, 9945923), (39, 6885639), (109, 2463669), (117, 2295213), (327, 821223), (351, 765071), (981, 273741), (1417, 189513), (2943, 91247), (4251, 63171), (7019, 38259), (12753, 21057)]