68312727

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 117383552

約数和(自身を除く): 49070825

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 567, 571, 633, 1477, 1713, 1899, 3997, 4431, 5139, 5697, 11991, 13293, 15417, 17091, 35973, 39879, 46251, 107919, 119637, 120481, 323757, 361443, 843367, 1084329, 2530101, 3252987, 7590303, 9758961, 22770909, 68312727]

約数ペア:

[(1, 68312727), (3, 22770909), (7, 9758961), (9, 7590303), (21, 3252987), (27, 2530101), (63, 1084329), (81, 843367), (189, 361443), (211, 323757), (567, 120481), (571, 119637), (633, 107919), (1477, 46251), (1713, 39879), (1899, 35973), (3997, 17091), (4431, 15417), (5139, 13293), (5697, 11991)]