51293375

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 76834368

約数和(自身を除く): 25540993

約数列:

[1, 5, 7, 25, 31, 35, 61, 125, 155, 175, 217, 305, 427, 775, 875, 961, 1085, 1525, 1891, 2135, 3875, 4805, 5425, 6727, 7625, 9455, 10675, 13237, 24025, 27125, 33635, 47275, 53375, 58621, 66185, 120125, 168175, 236375, 293105, 330925, 410347, 840875, 1465525, 1654625, 2051735, 7327625, 10258675, 51293375]

約数ペア:

[(1, 51293375), (5, 10258675), (7, 7327625), (25, 2051735), (31, 1654625), (35, 1465525), (61, 840875), (125, 410347), (155, 330925), (175, 293105), (217, 236375), (305, 168175), (427, 120125), (775, 66185), (875, 58621), (961, 53375), (1085, 47275), (1525, 33635), (1891, 27125), (2135, 24025), (3875, 13237), (4805, 10675), (5425, 9455), (6727, 7625)]