28145403

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 22173957

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1151, 1287, 1881, 2223, 2717, 3453, 8151, 10359, 12661, 14963, 21869, 24453, 37983, 44889, 65607, 113949, 134667, 164593, 196821, 240559, 284297, 493779, 721677, 852891, 1481337, 2165031, 2558673, 3127267, 9381801, 28145403]

約数ペア:

[(1, 28145403), (3, 9381801), (9, 3127267), (11, 2558673), (13, 2165031), (19, 1481337), (33, 852891), (39, 721677), (57, 493779), (99, 284297), (117, 240559), (143, 196821), (171, 164593), (209, 134667), (247, 113949), (429, 65607), (627, 44889), (741, 37983), (1151, 24453), (1287, 21869), (1881, 14963), (2223, 12661), (2717, 10359), (3453, 8151)]