31686045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 54131328

約数和(自身を除く): 22445283

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 907, 2055, 2329, 2721, 4535, 6987, 11645, 13605, 15419, 34935, 46257, 77095, 124259, 231285, 372777, 621295, 1863885, 2112403, 6337209, 10562015, 31686045]

約数ペア:

[(1, 31686045), (3, 10562015), (5, 6337209), (15, 2112403), (17, 1863885), (51, 621295), (85, 372777), (137, 231285), (255, 124259), (411, 77095), (685, 46257), (907, 34935), (2055, 15419), (2329, 13605), (2721, 11645), (4535, 6987)]