216306255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{3221}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 390815712

約数和(自身を除く): 174509457

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 363, 407, 555, 605, 1221, 1815, 2035, 3221, 4477, 6105, 9663, 13431, 16105, 22385, 35431, 48315, 67155, 106293, 119177, 177155, 357531, 389741, 531465, 595885, 1169223, 1310947, 1787655, 1948705, 3932841, 5846115, 6554735, 14420417, 19664205, 43261251, 72102085, 216306255]

約数ペア:

[(1, 216306255), (3, 72102085), (5, 43261251), (11, 19664205), (15, 14420417), (33, 6554735), (37, 5846115), (55, 3932841), (111, 1948705), (121, 1787655), (165, 1310947), (185, 1169223), (363, 595885), (407, 531465), (555, 389741), (605, 357531), (1221, 177155), (1815, 119177), (2035, 106293), (3221, 67155), (4477, 48315), (6105, 35431), (9663, 22385), (13431, 16105)]