51306375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 90574848

約数和(自身を除く): 39268473

約数列:

[1, 3, 5, 15, 25, 41, 47, 71, 75, 123, 125, 141, 205, 213, 235, 355, 375, 615, 705, 1025, 1065, 1175, 1775, 1927, 2911, 3075, 3337, 3525, 5125, 5325, 5781, 5875, 8733, 8875, 9635, 10011, 14555, 15375, 16685, 17625, 26625, 28905, 43665, 48175, 50055, 72775, 83425, 136817, 144525, 218325, 240875, 250275, 363875, 410451, 417125, 684085, 722625, 1091625, 1251375, 2052255, 3420425, 10261275, 17102125, 51306375]

約数ペア:

[(1, 51306375), (3, 17102125), (5, 10261275), (15, 3420425), (25, 2052255), (41, 1251375), (47, 1091625), (71, 722625), (75, 684085), (123, 417125), (125, 410451), (141, 363875), (205, 250275), (213, 240875), (235, 218325), (355, 144525), (375, 136817), (615, 83425), (705, 72775), (1025, 50055), (1065, 48175), (1175, 43665), (1775, 28905), (1927, 26625), (2911, 17625), (3075, 16685), (3337, 15375), (3525, 14555), (5125, 10011), (5325, 9635), (5781, 8875), (5875, 8733)]