489607551

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{8807}}^1$

素因数の和:8916

約数の個数: 32

約数和(自身を含む): 761011200

約数和(自身を除く): 271403649

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 639, 783, 1917, 2059, 6177, 8807, 18531, 26421, 55593, 79263, 237789, 255403, 625297, 766209, 1875891, 2298627, 5627673, 6895881, 16883019, 18133613, 54400839, 163202517, 489607551]

約数ペア:

[(1, 489607551), (3, 163202517), (9, 54400839), (27, 18133613), (29, 16883019), (71, 6895881), (87, 5627673), (213, 2298627), (261, 1875891), (639, 766209), (783, 625297), (1917, 255403), (2059, 237789), (6177, 79263), (8807, 55593), (18531, 26421)]