102571875

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 212048928

約数和(自身を除く): 109477053

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 521, 525, 625, 875, 1125, 1563, 1575, 1875, 2605, 2625, 3125, 3647, 4375, 4689, 5625, 7815, 7875, 9375, 10941, 13025, 13125, 18235, 21875, 23445, 28125, 32823, 39075, 39375, 54705, 65125, 65625, 91175, 117225, 164115, 195375, 196875, 273525, 325625, 455875, 586125, 820575, 976875, 1367625, 1628125, 2279375, 2930625, 4102875, 4884375, 6838125, 11396875, 14653125, 20514375, 34190625, 102571875]

約数ペア:

[(1, 102571875), (3, 34190625), (5, 20514375), (7, 14653125), (9, 11396875), (15, 6838125), (21, 4884375), (25, 4102875), (35, 2930625), (45, 2279375), (63, 1628125), (75, 1367625), (105, 976875), (125, 820575), (175, 586125), (225, 455875), (315, 325625), (375, 273525), (521, 196875), (525, 195375), (625, 164115), (875, 117225), (1125, 91175), (1563, 65625), (1575, 65125), (1875, 54705), (2605, 39375), (2625, 39075), (3125, 32823), (3647, 28125), (4375, 23445), (4689, 21875), (5625, 18235), (7815, 13125), (7875, 13025), (9375, 10941)]