30821391

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 49003200

約数和(自身を除く): 18181809

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 829, 1377, 2187, 2487, 4131, 7461, 12393, 14093, 22383, 37179, 42279, 67149, 126837, 201447, 380511, 604341, 1141533, 1813023, 3424599, 10273797, 30821391]

約数ペア:

[(1, 30821391), (3, 10273797), (9, 3424599), (17, 1813023), (27, 1141533), (51, 604341), (81, 380511), (153, 201447), (243, 126837), (459, 67149), (729, 42279), (829, 37179), (1377, 22383), (2187, 14093), (2487, 12393), (4131, 7461)]