70921809

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5657}}^1$

素因数の和:5869

約数の個数: 24

約数和(自身を含む): 117686400

約数和(自身を除く): 46764591

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 5657, 12537, 16971, 39599, 50913, 118797, 356391, 1125743, 3377229, 7880201, 10131687, 23640603, 70921809]

約数ペア:

[(1, 70921809), (3, 23640603), (7, 10131687), (9, 7880201), (21, 3377229), (63, 1125743), (199, 356391), (597, 118797), (1393, 50913), (1791, 39599), (4179, 16971), (5657, 12537)]