31006665

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 57196800

約数和(自身を除く): 26190135

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 239, 279, 465, 717, 837, 961, 1195, 1395, 2151, 2883, 3585, 4185, 4805, 6453, 7409, 8649, 10755, 14415, 22227, 25947, 32265, 37045, 43245, 66681, 111135, 129735, 200043, 229679, 333405, 689037, 1000215, 1148395, 2067111, 3445185, 6201333, 10335555, 31006665]

約数ペア:

[(1, 31006665), (3, 10335555), (5, 6201333), (9, 3445185), (15, 2067111), (27, 1148395), (31, 1000215), (45, 689037), (93, 333405), (135, 229679), (155, 200043), (239, 129735), (279, 111135), (465, 66681), (717, 43245), (837, 37045), (961, 32265), (1195, 25947), (1395, 22227), (2151, 14415), (2883, 10755), (3585, 8649), (4185, 7409), (4805, 6453)]