81340155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8179}}^1$

素因数の和:8220

約数の個数: 48

約数和(自身を含む): 160786080

約数和(自身を除く): 79445925

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 8179, 9945, 24537, 40895, 73611, 106327, 122685, 139043, 318981, 368055, 417129, 531635, 695215, 956943, 1251387, 1594905, 1807559, 2085645, 4784715, 5422677, 6256935, 9037795, 16268031, 27113385, 81340155]

約数ペア:

[(1, 81340155), (3, 27113385), (5, 16268031), (9, 9037795), (13, 6256935), (15, 5422677), (17, 4784715), (39, 2085645), (45, 1807559), (51, 1594905), (65, 1251387), (85, 956943), (117, 695215), (153, 531635), (195, 417129), (221, 368055), (255, 318981), (585, 139043), (663, 122685), (765, 106327), (1105, 73611), (1989, 40895), (3315, 24537), (8179, 9945)]