80868081

素因数分解:

$3^1\times 7^4\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 128173760

約数和(自身を除く): 47305679

約数列:

[1, 3, 7, 21, 49, 103, 109, 147, 309, 327, 343, 721, 763, 1029, 2163, 2289, 2401, 5047, 5341, 7203, 11227, 15141, 16023, 33681, 35329, 37387, 78589, 105987, 112161, 235767, 247303, 261709, 550123, 741909, 785127, 1650369, 3850861, 11552583, 26956027, 80868081]

約数ペア:

[(1, 80868081), (3, 26956027), (7, 11552583), (21, 3850861), (49, 1650369), (103, 785127), (109, 741909), (147, 550123), (309, 261709), (327, 247303), (343, 235767), (721, 112161), (763, 105987), (1029, 78589), (2163, 37387), (2289, 35329), (2401, 33681), (5047, 16023), (5341, 15141), (7203, 11227)]