2690649

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 4424940

約数和(自身を除く): 1734291

約数列:

[1, 3, 9, 13, 29, 39, 61, 87, 117, 169, 183, 261, 377, 507, 549, 793, 1131, 1521, 1769, 2379, 3393, 4901, 5307, 7137, 10309, 14703, 15921, 22997, 30927, 44109, 68991, 92781, 206973, 298961, 896883, 2690649]

約数ペア:

[(1, 2690649), (3, 896883), (9, 298961), (13, 206973), (29, 92781), (39, 68991), (61, 44109), (87, 30927), (117, 22997), (169, 15921), (183, 14703), (261, 10309), (377, 7137), (507, 5307), (549, 4901), (793, 3393), (1131, 2379), (1521, 1769)]