51777999

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 92811264

約数和(自身を除く): 41033265

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 191, 273, 331, 573, 819, 993, 1337, 1719, 2317, 2483, 2979, 4011, 4303, 6951, 7449, 12033, 12909, 17381, 20853, 22347, 30121, 38727, 52143, 63221, 90363, 156429, 189663, 271089, 442547, 568989, 821873, 1327641, 2465619, 3982923, 5753111, 7396857, 17259333, 51777999]

約数ペア:

[(1, 51777999), (3, 17259333), (7, 7396857), (9, 5753111), (13, 3982923), (21, 2465619), (39, 1327641), (63, 821873), (91, 568989), (117, 442547), (191, 271089), (273, 189663), (331, 156429), (573, 90363), (819, 63221), (993, 52143), (1337, 38727), (1719, 30121), (2317, 22347), (2483, 20853), (2979, 17381), (4011, 12909), (4303, 12033), (6951, 7449)]