2887665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 5337024

約数和(自身を除く): 2449359

約数列:

[1, 3, 5, 11, 15, 33, 37, 43, 55, 111, 121, 129, 165, 185, 215, 363, 407, 473, 555, 605, 645, 1221, 1419, 1591, 1815, 2035, 2365, 4477, 4773, 5203, 6105, 7095, 7955, 13431, 15609, 17501, 22385, 23865, 26015, 52503, 67155, 78045, 87505, 192511, 262515, 577533, 962555, 2887665]

約数ペア:

[(1, 2887665), (3, 962555), (5, 577533), (11, 262515), (15, 192511), (33, 87505), (37, 78045), (43, 67155), (55, 52503), (111, 26015), (121, 23865), (129, 22385), (165, 17501), (185, 15609), (215, 13431), (363, 7955), (407, 7095), (473, 6105), (555, 5203), (605, 4773), (645, 4477), (1221, 2365), (1419, 2035), (1591, 1815)]