81876465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1367}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 156214656

約数和(自身を除く): 74338191

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1331, 1367, 1815, 3993, 4101, 5445, 6655, 6835, 11979, 12303, 15037, 19965, 20505, 45111, 59895, 61515, 75185, 135333, 165407, 225555, 496221, 676665, 827035, 1488663, 1819477, 2481105, 5458431, 7443315, 9097385, 16375293, 27292155, 81876465]

約数ペア:

[(1, 81876465), (3, 27292155), (5, 16375293), (9, 9097385), (11, 7443315), (15, 5458431), (33, 2481105), (45, 1819477), (55, 1488663), (99, 827035), (121, 676665), (165, 496221), (363, 225555), (495, 165407), (605, 135333), (1089, 75185), (1331, 61515), (1367, 59895), (1815, 45111), (3993, 20505), (4101, 19965), (5445, 15037), (6655, 12303), (6835, 11979)]