20237931

素因数分解:

$3^4\times 7^2\times {\mathrm{5099}}^1$

素因数の和:5125

約数の個数: 30

約数和(自身を含む): 35174700

約数和(自身を除く): 14936769

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5099, 15297, 35693, 45891, 107079, 137673, 249851, 321237, 413019, 749553, 963711, 2248659, 2891133, 6745977, 20237931]

約数ペア:

[(1, 20237931), (3, 6745977), (7, 2891133), (9, 2248659), (21, 963711), (27, 749553), (49, 413019), (63, 321237), (81, 249851), (147, 137673), (189, 107079), (441, 45891), (567, 35693), (1323, 15297), (3969, 5099)]