81704961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1223}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 127423296

約数和(自身を除く): 45718335

約数列:

[1, 3, 9, 13, 39, 117, 571, 1223, 1713, 3669, 5139, 7423, 11007, 15899, 22269, 47697, 66807, 143091, 698333, 2094999, 6284997, 9078329, 27234987, 81704961]

約数ペア:

[(1, 81704961), (3, 27234987), (9, 9078329), (13, 6284997), (39, 2094999), (117, 698333), (571, 143091), (1223, 66807), (1713, 47697), (3669, 22269), (5139, 15899), (7423, 11007)]