64860813

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8821}}^1$

素因数の和:8889

約数の個数: 24

約数和(自身を含む): 100923680

約数和(自身を除く): 36062867

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 8821, 26463, 79389, 167599, 379303, 502797, 1137909, 1508391, 3413727, 7206757, 21620271, 64860813]

約数ペア:

[(1, 64860813), (3, 21620271), (9, 7206757), (19, 3413727), (43, 1508391), (57, 1137909), (129, 502797), (171, 379303), (387, 167599), (817, 79389), (2451, 26463), (7353, 8821)]