7485225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 13880064

約数和(自身を除く): 6394839

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 211, 215, 275, 473, 633, 645, 825, 1055, 1075, 1419, 2321, 2365, 3165, 3225, 5275, 6963, 7095, 9073, 11605, 11825, 15825, 27219, 34815, 35475, 45365, 58025, 99803, 136095, 174075, 226825, 299409, 499015, 680475, 1497045, 2495075, 7485225]

約数ペア:

[(1, 7485225), (3, 2495075), (5, 1497045), (11, 680475), (15, 499015), (25, 299409), (33, 226825), (43, 174075), (55, 136095), (75, 99803), (129, 58025), (165, 45365), (211, 35475), (215, 34815), (275, 27219), (473, 15825), (633, 11825), (645, 11605), (825, 9073), (1055, 7095), (1075, 6963), (1419, 5275), (2321, 3225), (2365, 3165)]