180520977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 317689344

約数和(自身を除く): 137168367

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 97, 119, 221, 273, 291, 357, 401, 663, 679, 1203, 1261, 1547, 1649, 2037, 2807, 3783, 4641, 4947, 5213, 6817, 8421, 8827, 11543, 15639, 20451, 21437, 26481, 34629, 36491, 38897, 47719, 64311, 88621, 109473, 116691, 143157, 150059, 265863, 272279, 450177, 505661, 620347, 661249, 816837, 1516983, 1861041, 1983747, 3539627, 4628743, 8596237, 10618881, 13886229, 25788711, 60173659, 180520977]

約数ペア:

[(1, 180520977), (3, 60173659), (7, 25788711), (13, 13886229), (17, 10618881), (21, 8596237), (39, 4628743), (51, 3539627), (91, 1983747), (97, 1861041), (119, 1516983), (221, 816837), (273, 661249), (291, 620347), (357, 505661), (401, 450177), (663, 272279), (679, 265863), (1203, 150059), (1261, 143157), (1547, 116691), (1649, 109473), (2037, 88621), (2807, 64311), (3783, 47719), (4641, 38897), (4947, 36491), (5213, 34629), (6817, 26481), (8421, 21437), (8827, 20451), (11543, 15639)]