28609929

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 45999360

約数和(自身を除く): 17389431

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 153, 237, 263, 459, 711, 789, 1343, 1377, 2133, 2367, 4029, 4471, 6399, 7101, 12087, 13413, 20777, 21303, 36261, 40239, 62331, 108783, 120717, 186993, 353209, 362151, 560979, 1059627, 1682937, 3178881, 9536643, 28609929]

約数ペア:

[(1, 28609929), (3, 9536643), (9, 3178881), (17, 1682937), (27, 1059627), (51, 560979), (79, 362151), (81, 353209), (153, 186993), (237, 120717), (263, 108783), (459, 62331), (711, 40239), (789, 36261), (1343, 21303), (1377, 20777), (2133, 13413), (2367, 12087), (4029, 7101), (4471, 6399)]