51424443

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 91914240

約数和(自身を除く): 40489797

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 67, 93, 131, 189, 201, 217, 279, 393, 469, 603, 651, 837, 917, 1179, 1407, 1809, 1953, 2077, 2751, 3537, 4061, 4221, 5859, 6231, 8253, 8777, 12183, 12663, 14539, 18693, 24759, 26331, 28427, 36549, 43617, 56079, 61439, 78993, 85281, 109647, 130851, 184317, 236979, 255843, 272087, 392553, 552951, 767529, 816261, 1658853, 1904609, 2448783, 5713827, 7346349, 17141481, 51424443]

約数ペア:

[(1, 51424443), (3, 17141481), (7, 7346349), (9, 5713827), (21, 2448783), (27, 1904609), (31, 1658853), (63, 816261), (67, 767529), (93, 552951), (131, 392553), (189, 272087), (201, 255843), (217, 236979), (279, 184317), (393, 130851), (469, 109647), (603, 85281), (651, 78993), (837, 61439), (917, 56079), (1179, 43617), (1407, 36549), (1809, 28427), (1953, 26331), (2077, 24759), (2751, 18693), (3537, 14539), (4061, 12663), (4221, 12183), (5859, 8777), (6231, 8253)]