38947725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 74280960

約数和(自身を除く): 35333235

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 47, 75, 87, 127, 141, 145, 225, 235, 261, 381, 423, 435, 635, 705, 725, 1143, 1175, 1305, 1363, 1905, 2115, 2175, 3175, 3525, 3683, 4089, 5715, 5969, 6525, 6815, 9525, 10575, 11049, 12267, 17907, 18415, 20445, 28575, 29845, 33147, 34075, 53721, 55245, 61335, 89535, 92075, 102225, 149225, 165735, 173101, 268605, 276225, 306675, 447675, 519303, 828675, 865505, 1343025, 1557909, 2596515, 4327525, 7789545, 12982575, 38947725]

約数ペア:

[(1, 38947725), (3, 12982575), (5, 7789545), (9, 4327525), (15, 2596515), (25, 1557909), (29, 1343025), (45, 865505), (47, 828675), (75, 519303), (87, 447675), (127, 306675), (141, 276225), (145, 268605), (225, 173101), (235, 165735), (261, 149225), (381, 102225), (423, 92075), (435, 89535), (635, 61335), (705, 55245), (725, 53721), (1143, 34075), (1175, 33147), (1305, 29845), (1363, 28575), (1905, 20445), (2115, 18415), (2175, 17907), (3175, 12267), (3525, 11049), (3683, 10575), (4089, 9525), (5715, 6815), (5969, 6525)]