27478431

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 41308800

約数和(自身を除く): 13830369

約数列:

[1, 3, 9, 31, 93, 149, 279, 447, 661, 1341, 1983, 4619, 5949, 13857, 20491, 41571, 61473, 98489, 184419, 295467, 886401, 3053159, 9159477, 27478431]

約数ペア:

[(1, 27478431), (3, 9159477), (9, 3053159), (31, 886401), (93, 295467), (149, 184419), (279, 98489), (447, 61473), (661, 41571), (1341, 20491), (1983, 13857), (4619, 5949)]