31005972

素因数分解:

$2^2\times 3^2\times {\mathrm{887}}^1\times {\mathrm{971}}^1$

素因数の和:1868

約数の個数: 36

約数和(自身を含む): 78545376

約数和(自身を除く): 47539404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 887, 971, 1774, 1942, 2661, 2913, 3548, 3884, 5322, 5826, 7983, 8739, 10644, 11652, 15966, 17478, 31932, 34956, 861277, 1722554, 2583831, 3445108, 5167662, 7751493, 10335324, 15502986, 31005972]

約数ペア:

[(1, 31005972), (2, 15502986), (3, 10335324), (4, 7751493), (6, 5167662), (9, 3445108), (12, 2583831), (18, 1722554), (36, 861277), (887, 34956), (971, 31932), (1774, 17478), (1942, 15966), (2661, 11652), (2913, 10644), (3548, 8739), (3884, 7983), (5322, 5826)]