320423715

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9931}}^1$

素因数の和:10184

約数の個数: 32

約数和(自身を含む): 572083200

約数和(自身を除く): 251659485

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 717, 1195, 2151, 3585, 6453, 9931, 10755, 29793, 32265, 49655, 89379, 148965, 268137, 446895, 1340685, 2373509, 7120527, 11867545, 21361581, 35602635, 64084743, 106807905, 320423715]

約数ペア:

[(1, 320423715), (3, 106807905), (5, 64084743), (9, 35602635), (15, 21361581), (27, 11867545), (45, 7120527), (135, 2373509), (239, 1340685), (717, 446895), (1195, 268137), (2151, 148965), (3585, 89379), (6453, 49655), (9931, 32265), (10755, 29793)]