249707985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{1109}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 423895680

約数和(自身を除く): 174187695

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 883, 1109, 2649, 3327, 4415, 5545, 13245, 15011, 16635, 18853, 45033, 56559, 75055, 94265, 225165, 282795, 979247, 2937741, 4896235, 14688705, 16647199, 49941597, 83235995, 249707985]

約数ペア:

[(1, 249707985), (3, 83235995), (5, 49941597), (15, 16647199), (17, 14688705), (51, 4896235), (85, 2937741), (255, 979247), (883, 282795), (1109, 225165), (2649, 94265), (3327, 75055), (4415, 56559), (5545, 45033), (13245, 18853), (15011, 16635)]