51407125

素因数分解:

$5^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 82368000

約数和(自身を除く): 30960875

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 109, 125, 175, 245, 275, 343, 385, 539, 545, 763, 875, 1199, 1225, 1375, 1715, 1925, 2695, 2725, 3773, 3815, 5341, 5995, 6125, 8393, 8575, 9625, 13475, 13625, 18865, 19075, 26705, 29975, 37387, 41965, 42875, 58751, 67375, 94325, 95375, 133525, 149875, 186935, 209825, 293755, 411257, 471625, 667625, 934675, 1049125, 1468775, 2056285, 4673375, 7343875, 10281425, 51407125]

約数ペア:

[(1, 51407125), (5, 10281425), (7, 7343875), (11, 4673375), (25, 2056285), (35, 1468775), (49, 1049125), (55, 934675), (77, 667625), (109, 471625), (125, 411257), (175, 293755), (245, 209825), (275, 186935), (343, 149875), (385, 133525), (539, 95375), (545, 94325), (763, 67375), (875, 58751), (1199, 42875), (1225, 41965), (1375, 37387), (1715, 29975), (1925, 26705), (2695, 19075), (2725, 18865), (3773, 13625), (3815, 13475), (5341, 9625), (5995, 8575), (6125, 8393)]