390225

素因数分解:

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

素因数の和:78

約数の個数: 36

約数和(自身を含む): 725648

約数和(自身を除く): 335423

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 121, 129, 165, 215, 275, 363, 473, 605, 645, 825, 1075, 1419, 1815, 2365, 3025, 3225, 5203, 7095, 9075, 11825, 15609, 26015, 35475, 78045, 130075, 390225]

約数ペア:

[(1, 390225), (3, 130075), (5, 78045), (11, 35475), (15, 26015), (25, 15609), (33, 11825), (43, 9075), (55, 7095), (75, 5203), (121, 3225), (129, 3025), (165, 2365), (215, 1815), (275, 1419), (363, 1075), (473, 825), (605, 645)]