81138015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1439}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 161740800

約数和(自身を除く): 80602785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 179, 315, 537, 895, 1253, 1439, 1611, 2685, 3759, 4317, 6265, 7195, 8055, 10073, 11277, 12951, 18795, 21585, 30219, 50365, 56385, 64755, 90657, 151095, 257581, 453285, 772743, 1287905, 1803067, 2318229, 3863715, 5409201, 9015335, 11591145, 16227603, 27046005, 81138015]

約数ペア:

[(1, 81138015), (3, 27046005), (5, 16227603), (7, 11591145), (9, 9015335), (15, 5409201), (21, 3863715), (35, 2318229), (45, 1803067), (63, 1287905), (105, 772743), (179, 453285), (315, 257581), (537, 151095), (895, 90657), (1253, 64755), (1439, 56385), (1611, 50365), (2685, 30219), (3759, 21585), (4317, 18795), (6265, 12951), (7195, 11277), (8055, 10073)]