51572475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 99524880

約数和(自身を除く): 47952405

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 97, 139, 153, 225, 255, 291, 417, 425, 485, 695, 765, 873, 1251, 1275, 1455, 1649, 2085, 2363, 2425, 3475, 3825, 4365, 4947, 6255, 7089, 7275, 8245, 10425, 11815, 13483, 14841, 21267, 21825, 24735, 31275, 35445, 40449, 41225, 59075, 67415, 74205, 106335, 121347, 123675, 177225, 202245, 229211, 337075, 371025, 531675, 606735, 687633, 1011225, 1146055, 2062899, 3033675, 3438165, 5730275, 10314495, 17190825, 51572475]

約数ペア:

[(1, 51572475), (3, 17190825), (5, 10314495), (9, 5730275), (15, 3438165), (17, 3033675), (25, 2062899), (45, 1146055), (51, 1011225), (75, 687633), (85, 606735), (97, 531675), (139, 371025), (153, 337075), (225, 229211), (255, 202245), (291, 177225), (417, 123675), (425, 121347), (485, 106335), (695, 74205), (765, 67415), (873, 59075), (1251, 41225), (1275, 40449), (1455, 35445), (1649, 31275), (2085, 24735), (2363, 21825), (2425, 21267), (3475, 14841), (3825, 13483), (4365, 11815), (4947, 10425), (6255, 8245), (7089, 7275)]