71552889

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 112210560

約数和(自身を除く): 40657671

約数列:

[1, 3, 9, 27, 29, 81, 83, 87, 249, 261, 367, 747, 783, 1101, 2241, 2349, 2407, 3303, 6723, 7221, 9909, 10643, 21663, 29727, 30461, 31929, 64989, 91383, 95787, 194967, 274149, 287361, 822447, 862083, 883369, 2467341, 2650107, 7950321, 23850963, 71552889]

約数ペア:

[(1, 71552889), (3, 23850963), (9, 7950321), (27, 2650107), (29, 2467341), (81, 883369), (83, 862083), (87, 822447), (249, 287361), (261, 274149), (367, 194967), (747, 95787), (783, 91383), (1101, 64989), (2241, 31929), (2349, 30461), (2407, 29727), (3303, 21663), (6723, 10643), (7221, 9909)]