51669891

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 96834816

約数和(自身を除く): 45164925

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 169, 207, 211, 273, 299, 483, 507, 633, 819, 897, 1183, 1449, 1477, 1521, 1899, 2093, 2691, 2743, 3549, 3887, 4431, 4853, 6279, 8229, 10647, 11661, 13293, 14559, 18837, 19201, 24687, 27209, 33971, 34983, 35659, 43677, 57603, 63089, 81627, 101913, 106977, 172809, 189267, 244881, 249613, 305739, 320931, 441623, 567801, 748839, 820157, 1324869, 2246517, 2460471, 3974607, 5741099, 7381413, 17223297, 51669891]

約数ペア:

[(1, 51669891), (3, 17223297), (7, 7381413), (9, 5741099), (13, 3974607), (21, 2460471), (23, 2246517), (39, 1324869), (63, 820157), (69, 748839), (91, 567801), (117, 441623), (161, 320931), (169, 305739), (207, 249613), (211, 244881), (273, 189267), (299, 172809), (483, 106977), (507, 101913), (633, 81627), (819, 63089), (897, 57603), (1183, 43677), (1449, 35659), (1477, 34983), (1521, 33971), (1899, 27209), (2093, 24687), (2691, 19201), (2743, 18837), (3549, 14559), (3887, 13293), (4431, 11661), (4853, 10647), (6279, 8229)]