81264102.000000000

素因数分解:

$2^2\times 3^2\times {\mathrm{727}}^1\times {\mathrm{3943}}^1$

素因数の和:4680

約数の個数: 36

約数和(自身を含む): 261282112

約数和(自身を除く): 158085916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 727, 1454, 2181, 2908, 3943, 4362, 6543, 7886, 8724, 11829, 13086, 15772, 23658, 26172, 35487, 47316, 70974, 141948, 2866561, 5733122, 8599683, 11466244, 17199366, 25799049, 34398732, 51598098, 103196196]

約数ペア:

[(1, 103196196), (2, 51598098), (3, 34398732), (4, 25799049), (6, 17199366), (9, 11466244), (12, 8599683), (18, 5733122), (36, 2866561), (727, 141948), (1454, 70974), (2181, 47316), (2908, 35487), (3943, 26172), (4362, 23658), (6543, 15772), (7886, 13086), (8724, 11829)]