81616572

素因数分解:

$2^2\times 3^4\times {\mathrm{251903}}^1$

素因数の和:251919

約数の個数: 30

約数和(自身を含む): 213362688

約数和(自身を除く): 131746116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251903, 503806, 755709, 1007612, 1511418, 2267127, 3022836, 4534254, 6801381, 9068508, 13602762, 20404143, 27205524, 40808286, 81616572]

約数ペア:

[(1, 81616572), (2, 40808286), (3, 27205524), (4, 20404143), (6, 13602762), (9, 9068508), (12, 6801381), (18, 4534254), (27, 3022836), (36, 2267127), (54, 1511418), (81, 1007612), (108, 755709), (162, 503806), (324, 251903)]