15681705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 27264384

約数和(自身を除く): 11582679

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 587, 685, 1761, 1781, 2055, 2935, 5343, 7631, 8805, 8905, 22893, 26715, 38155, 80419, 114465, 241257, 402095, 1045447, 1206285, 3136341, 5227235, 15681705]

約数ペア:

[(1, 15681705), (3, 5227235), (5, 3136341), (13, 1206285), (15, 1045447), (39, 402095), (65, 241257), (137, 114465), (195, 80419), (411, 38155), (587, 26715), (685, 22893), (1761, 8905), (1781, 8805), (2055, 7631), (2935, 5343)]