87779259

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 142771200

約数和(自身を除く): 54991941

約数列:

[1, 3, 9, 19, 29, 31, 57, 87, 93, 171, 261, 279, 551, 571, 589, 899, 1653, 1713, 1767, 2697, 4959, 5139, 5301, 8091, 10849, 16559, 17081, 17701, 32547, 49677, 51243, 53103, 97641, 149031, 153729, 159309, 314621, 336319, 513329, 943863, 1008957, 1539987, 2831589, 3026871, 4619961, 9753251, 29259753, 87779259]

約数ペア:

[(1, 87779259), (3, 29259753), (9, 9753251), (19, 4619961), (29, 3026871), (31, 2831589), (57, 1539987), (87, 1008957), (93, 943863), (171, 513329), (261, 336319), (279, 314621), (551, 159309), (571, 153729), (589, 149031), (899, 97641), (1653, 53103), (1713, 51243), (1767, 49677), (2697, 32547), (4959, 17701), (5139, 17081), (5301, 16559), (8091, 10849)]