31243155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 52081920

約数和(自身を除く): 20838765

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 645, 821, 885, 2463, 2537, 4105, 7611, 12315, 12685, 35303, 38055, 48439, 105909, 145317, 176515, 242195, 529545, 726585, 2082877, 6248631, 10414385, 31243155]

約数ペア:

[(1, 31243155), (3, 10414385), (5, 6248631), (15, 2082877), (43, 726585), (59, 529545), (129, 242195), (177, 176515), (215, 145317), (295, 105909), (645, 48439), (821, 38055), (885, 35303), (2463, 12685), (2537, 12315), (4105, 7611)]