81231948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{322349}}^1$

素因数の和:322366

約数の個数: 36

約数和(自身を含む): 234670800

約数和(自身を除く): 153438852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 322349, 644698, 967047, 1289396, 1934094, 2256443, 2901141, 3868188, 4512886, 5802282, 6769329, 9025772, 11604564, 13538658, 20307987, 27077316, 40615974, 81231948]

約数ペア:

[(1, 81231948), (2, 40615974), (3, 27077316), (4, 20307987), (6, 13538658), (7, 11604564), (9, 9025772), (12, 6769329), (14, 5802282), (18, 4512886), (21, 3868188), (28, 2901141), (36, 2256443), (42, 1934094), (63, 1289396), (84, 967047), (126, 644698), (252, 322349)]