31507299

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{719}}^1$

素因数の和:1272

約数の個数: 20

約数和(自身を含む): 47219040

約数和(自身を除く): 15711741

約数列:

[1, 3, 9, 27, 81, 541, 719, 1623, 2157, 4869, 6471, 14607, 19413, 43821, 58239, 388979, 1166937, 3500811, 10502433, 31507299]

約数ペア:

[(1, 31507299), (3, 10502433), (9, 3500811), (27, 1166937), (81, 388979), (541, 58239), (719, 43821), (1623, 19413), (2157, 14607), (4869, 6471)]