633997575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2113

約数の個数: 72

約数和(自身を含む): 1217453328

約数和(自身を除く): 583455753

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 83, 85, 153, 225, 249, 255, 415, 425, 747, 765, 1245, 1275, 1411, 1997, 2075, 3735, 3825, 4233, 5991, 6225, 7055, 9985, 12699, 17973, 18675, 21165, 29955, 33949, 35275, 49925, 63495, 89865, 101847, 105825, 149775, 165751, 169745, 305541, 317475, 449325, 497253, 509235, 828755, 848725, 1491759, 1527705, 2486265, 2546175, 2817767, 4143775, 7458795, 7638525, 8453301, 12431325, 14088835, 25359903, 37293975, 42266505, 70444175, 126799515, 211332525, 633997575]

約数ペア:

[(1, 633997575), (3, 211332525), (5, 126799515), (9, 70444175), (15, 42266505), (17, 37293975), (25, 25359903), (45, 14088835), (51, 12431325), (75, 8453301), (83, 7638525), (85, 7458795), (153, 4143775), (225, 2817767), (249, 2546175), (255, 2486265), (415, 1527705), (425, 1491759), (747, 848725), (765, 828755), (1245, 509235), (1275, 497253), (1411, 449325), (1997, 317475), (2075, 305541), (3735, 169745), (3825, 165751), (4233, 149775), (5991, 105825), (6225, 101847), (7055, 89865), (9985, 63495), (12699, 49925), (17973, 35275), (18675, 33949), (21165, 29955)]