64928577

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6221}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 102140352

約数和(自身を除く): 37211775

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6221, 10437, 18663, 43547, 130641, 304829, 441691, 914487, 1325073, 3091837, 9275511, 21642859, 64928577]

約数ペア:

[(1, 64928577), (3, 21642859), (7, 9275511), (21, 3091837), (49, 1325073), (71, 914487), (147, 441691), (213, 304829), (497, 130641), (1491, 43547), (3479, 18663), (6221, 10437)]