81237786

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{276319}}^1$

素因数の和:276338

約数の個数: 24

約数和(自身を含む): 189002880

約数和(自身を除く): 107765094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 276319, 552638, 828957, 1657914, 1934233, 3868466, 5802699, 11605398, 13539631, 27079262, 40618893, 81237786]

約数ペア:

[(1, 81237786), (2, 40618893), (3, 27079262), (6, 13539631), (7, 11605398), (14, 5802699), (21, 3868466), (42, 1934233), (49, 1657914), (98, 828957), (147, 552638), (294, 276319)]