9881271

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2892

約数の個数: 20

約数和(自身を含む): 15109512

約数和(自身を除く): 5228241

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2837, 3483, 8511, 25533, 76599, 121991, 229797, 365973, 1097919, 3293757, 9881271]

約数ペア:

[(1, 9881271), (3, 3293757), (9, 1097919), (27, 365973), (43, 229797), (81, 121991), (129, 76599), (387, 25533), (1161, 8511), (2837, 3483)]