25439205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 19817115

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2909, 2915, 8727, 8745, 14545, 31999, 43635, 95997, 154177, 159995, 462531, 479985, 770885, 1695947, 2312655, 5087841, 8479735, 25439205]

約数ペア:

[(1, 25439205), (3, 8479735), (5, 5087841), (11, 2312655), (15, 1695947), (33, 770885), (53, 479985), (55, 462531), (159, 159995), (165, 154177), (265, 95997), (583, 43635), (795, 31999), (1749, 14545), (2909, 8745), (2915, 8727)]