391025151

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 642690048

約数和(自身を除く): 251664897

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 241, 243, 297, 607, 723, 891, 1821, 2169, 2651, 2673, 5463, 6507, 6677, 7953, 16389, 19521, 20031, 23859, 49167, 58563, 60093, 71577, 146287, 147501, 180279, 214731, 438861, 540837, 644193, 1316583, 1609157, 1622511, 3949749, 4827471, 11849247, 14482413, 35547741, 43447239, 130341717, 391025151]

約数ペア:

[(1, 391025151), (3, 130341717), (9, 43447239), (11, 35547741), (27, 14482413), (33, 11849247), (81, 4827471), (99, 3949749), (241, 1622511), (243, 1609157), (297, 1316583), (607, 644193), (723, 540837), (891, 438861), (1821, 214731), (2169, 180279), (2651, 147501), (2673, 146287), (5463, 71577), (6507, 60093), (6677, 58563), (7953, 49167), (16389, 23859), (19521, 20031)]