81514971

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 125706240

約数和(自身を除く): 44191269

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 387, 549, 1151, 1161, 1647, 2623, 3453, 7869, 10359, 23607, 31077, 49493, 70211, 70821, 148479, 210633, 445437, 631899, 1336311, 1895697, 3019073, 9057219, 27171657, 81514971]

約数ペア:

[(1, 81514971), (3, 27171657), (9, 9057219), (27, 3019073), (43, 1895697), (61, 1336311), (129, 631899), (183, 445437), (387, 210633), (549, 148479), (1151, 70821), (1161, 70211), (1647, 49493), (2623, 31077), (3453, 23607), (7869, 10359)]