2019221487

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 3145824000

約数和(自身を除く): 1126602513

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 837, 961, 1319, 1593, 1829, 2883, 3957, 5487, 8649, 11871, 16461, 25947, 35613, 40889, 49383, 56699, 77821, 122667, 170097, 233463, 368001, 510291, 700389, 1104003, 1267559, 1530873, 2101167, 2412451, 3802677, 7237353, 11408031, 21712059, 34224093, 65136177, 74785981, 224357943, 673073829, 2019221487]

約数ペア:

[(1, 2019221487), (3, 673073829), (9, 224357943), (27, 74785981), (31, 65136177), (59, 34224093), (93, 21712059), (177, 11408031), (279, 7237353), (531, 3802677), (837, 2412451), (961, 2101167), (1319, 1530873), (1593, 1267559), (1829, 1104003), (2883, 700389), (3957, 510291), (5487, 368001), (8649, 233463), (11871, 170097), (16461, 122667), (25947, 77821), (35613, 56699), (40889, 49383)]