687450675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12539}}^1$

素因数の和:12612

約数の個数: 48

約数和(自身を含む): 1231528320

約数和(自身を除く): 544077645

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 2193, 3225, 3655, 10965, 12539, 18275, 37617, 54825, 62695, 188085, 213163, 313475, 539177, 639489, 940425, 1065815, 1617531, 2695885, 3197445, 5329075, 8087655, 9166009, 13479425, 15987225, 27498027, 40438275, 45830045, 137490135, 229150225, 687450675]

約数ペア:

[(1, 687450675), (3, 229150225), (5, 137490135), (15, 45830045), (17, 40438275), (25, 27498027), (43, 15987225), (51, 13479425), (75, 9166009), (85, 8087655), (129, 5329075), (215, 3197445), (255, 2695885), (425, 1617531), (645, 1065815), (731, 940425), (1075, 639489), (1275, 539177), (2193, 313475), (3225, 213163), (3655, 188085), (10965, 62695), (12539, 54825), (18275, 37617)]