71078391

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{30259}}^1$

素因数の和:30300

約数の個数: 20

約数和(自身を含む): 109843800

約数和(自身を除く): 38765409

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 30259, 90777, 272331, 816993, 877511, 2450979, 2632533, 7897599, 23692797, 71078391]

約数ペア:

[(1, 71078391), (3, 23692797), (9, 7897599), (27, 2632533), (29, 2450979), (81, 877511), (87, 816993), (261, 272331), (783, 90777), (2349, 30259)]