204347205

素因数分解:

$3^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 370930560

約数和(自身を除く): 166583355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 243, 327, 405, 545, 981, 1215, 1543, 1635, 2943, 4629, 4905, 7715, 8829, 13887, 14715, 23145, 26487, 41661, 44145, 69435, 124983, 132435, 168187, 208305, 374949, 504561, 624915, 840935, 1513683, 1874745, 2522805, 4541049, 7568415, 13623147, 22705245, 40869441, 68115735, 204347205]

約数ペア:

[(1, 204347205), (3, 68115735), (5, 40869441), (9, 22705245), (15, 13623147), (27, 7568415), (45, 4541049), (81, 2522805), (109, 1874745), (135, 1513683), (243, 840935), (327, 624915), (405, 504561), (545, 374949), (981, 208305), (1215, 168187), (1543, 132435), (1635, 124983), (2943, 69435), (4629, 44145), (4905, 41661), (7715, 26487), (8829, 23145), (13887, 14715)]