81331029

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1123}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 126832160

約数和(自身を除く): 45501131

約数列:

[1, 3, 9, 13, 39, 117, 619, 1123, 1857, 3369, 5571, 8047, 10107, 14599, 24141, 43797, 72423, 131391, 695137, 2085411, 6256233, 9036781, 27110343, 81331029]

約数ペア:

[(1, 81331029), (3, 27110343), (9, 9036781), (13, 6256233), (39, 2085411), (117, 695137), (619, 131391), (1123, 72423), (1857, 43797), (3369, 24141), (5571, 14599), (8047, 10107)]