4721571

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 20

約数和(自身を含む): 7161264

約数和(自身を除く): 2439693

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 821, 1917, 2463, 5751, 7389, 22167, 58291, 66501, 174873, 524619, 1573857, 4721571]

約数ペア:

[(1, 4721571), (3, 1573857), (9, 524619), (27, 174873), (71, 66501), (81, 58291), (213, 22167), (639, 7389), (821, 5751), (1917, 2463)]