71591949

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 54

約数和(自身を含む): 123398730

約数和(自身を除く): 51806781

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 169, 363, 389, 429, 507, 1089, 1167, 1287, 1521, 1573, 1859, 3501, 4279, 4719, 5057, 5577, 12837, 14157, 15171, 16731, 20449, 38511, 45513, 47069, 55627, 61347, 65741, 141207, 166881, 184041, 197223, 423621, 500643, 591669, 611897, 723151, 1835691, 2169453, 5507073, 6508359, 7954661, 23863983, 71591949]

約数ペア:

[(1, 71591949), (3, 23863983), (9, 7954661), (11, 6508359), (13, 5507073), (33, 2169453), (39, 1835691), (99, 723151), (117, 611897), (121, 591669), (143, 500643), (169, 423621), (363, 197223), (389, 184041), (429, 166881), (507, 141207), (1089, 65741), (1167, 61347), (1287, 55627), (1521, 47069), (1573, 45513), (1859, 38511), (3501, 20449), (4279, 16731), (4719, 15171), (5057, 14157), (5577, 12837)]