218719125

素因数分解:

$3^2\times 5^3\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 396068400

約数和(自身を除く): 177349275

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 433, 449, 1125, 1299, 1347, 2165, 2245, 3897, 4041, 6495, 6735, 10825, 11225, 19485, 20205, 32475, 33675, 54125, 56125, 97425, 101025, 162375, 168375, 194417, 487125, 505125, 583251, 972085, 1749753, 2916255, 4860425, 8748765, 14581275, 24302125, 43743825, 72906375, 218719125]

約数ペア:

[(1, 218719125), (3, 72906375), (5, 43743825), (9, 24302125), (15, 14581275), (25, 8748765), (45, 4860425), (75, 2916255), (125, 1749753), (225, 972085), (375, 583251), (433, 505125), (449, 487125), (1125, 194417), (1299, 168375), (1347, 162375), (2165, 101025), (2245, 97425), (3897, 56125), (4041, 54125), (6495, 33675), (6735, 32475), (10825, 20205), (11225, 19485)]