201718107

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 320845536

約数和(自身を除く): 119127429

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 263, 459, 557, 789, 1377, 1671, 2367, 4471, 5013, 7101, 9469, 13413, 15039, 21303, 28407, 40239, 45117, 85221, 120717, 146491, 255663, 362151, 439473, 766989, 1318419, 2490347, 3955257, 7471041, 11865771, 22413123, 67239369, 201718107]

約数ペア:

[(1, 201718107), (3, 67239369), (9, 22413123), (17, 11865771), (27, 7471041), (51, 3955257), (81, 2490347), (153, 1318419), (263, 766989), (459, 439473), (557, 362151), (789, 255663), (1377, 146491), (1671, 120717), (2367, 85221), (4471, 45117), (5013, 40239), (7101, 28407), (9469, 21303), (13413, 15039)]