55874775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 104493312

約数和(自身を除く): 48618537

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 121, 131, 141, 165, 235, 275, 363, 393, 517, 605, 655, 705, 825, 1175, 1441, 1551, 1815, 1965, 2585, 3025, 3275, 3525, 4323, 5687, 6157, 7205, 7755, 9075, 9825, 12925, 15851, 17061, 18471, 21615, 28435, 30785, 36025, 38775, 47553, 67727, 79255, 85305, 92355, 108075, 142175, 153925, 203181, 237765, 338635, 396275, 426525, 461775, 744997, 1015905, 1188825, 1693175, 2234991, 3724985, 5079525, 11174955, 18624925, 55874775]

約数ペア:

[(1, 55874775), (3, 18624925), (5, 11174955), (11, 5079525), (15, 3724985), (25, 2234991), (33, 1693175), (47, 1188825), (55, 1015905), (75, 744997), (121, 461775), (131, 426525), (141, 396275), (165, 338635), (235, 237765), (275, 203181), (363, 153925), (393, 142175), (517, 108075), (605, 92355), (655, 85305), (705, 79255), (825, 67727), (1175, 47553), (1441, 38775), (1551, 36025), (1815, 30785), (1965, 28435), (2585, 21615), (3025, 18471), (3275, 17061), (3525, 15851), (4323, 12925), (5687, 9825), (6157, 9075), (7205, 7755)]