2688015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1481}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 4730544

約数和(自身を除く): 2042529

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1481, 1815, 4443, 7405, 16291, 22215, 48873, 81455, 179201, 244365, 537603, 896005, 2688015]

約数ペア:

[(1, 2688015), (3, 896005), (5, 537603), (11, 244365), (15, 179201), (33, 81455), (55, 48873), (121, 22215), (165, 16291), (363, 7405), (605, 4443), (1481, 1815)]