71921871

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1579}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 122355200

約数和(自身を除く): 50433329

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 723, 1579, 1687, 2169, 4737, 5061, 6507, 11053, 14211, 15183, 33159, 42633, 45549, 99477, 298431, 380539, 1141617, 2663773, 3424851, 7991319, 10274553, 23973957, 71921871]

約数ペア:

[(1, 71921871), (3, 23973957), (7, 10274553), (9, 7991319), (21, 3424851), (27, 2663773), (63, 1141617), (189, 380539), (241, 298431), (723, 99477), (1579, 45549), (1687, 42633), (2169, 33159), (4737, 15183), (5061, 14211), (6507, 11053)]