201009375

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{1021}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 415160928

約数和(自身を除く): 214151553

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 625, 875, 1021, 1125, 1575, 1875, 2625, 3063, 3125, 4375, 5105, 5625, 7147, 7875, 9189, 9375, 13125, 15315, 21441, 21875, 25525, 28125, 35735, 39375, 45945, 64323, 65625, 76575, 107205, 127625, 178675, 196875, 229725, 321615, 382875, 536025, 638125, 893375, 1148625, 1608075, 1914375, 2680125, 3190625, 4466875, 5743125, 8040375, 9571875, 13400625, 22334375, 28715625, 40201875, 67003125, 201009375]

約数ペア:

[(1, 201009375), (3, 67003125), (5, 40201875), (7, 28715625), (9, 22334375), (15, 13400625), (21, 9571875), (25, 8040375), (35, 5743125), (45, 4466875), (63, 3190625), (75, 2680125), (105, 1914375), (125, 1608075), (175, 1148625), (225, 893375), (315, 638125), (375, 536025), (525, 382875), (625, 321615), (875, 229725), (1021, 196875), (1125, 178675), (1575, 127625), (1875, 107205), (2625, 76575), (3063, 65625), (3125, 64323), (4375, 45945), (5105, 39375), (5625, 35735), (7147, 28125), (7875, 25525), (9189, 21875), (9375, 21441), (13125, 15315)]