31622157

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 55284416

約数和(自身を除く): 23662259

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1297, 2709, 3483, 3891, 8127, 9079, 11673, 24381, 27237, 35019, 55771, 81711, 105057, 167313, 245133, 390397, 501939, 735399, 1171191, 1505817, 3513573, 4517451, 10540719, 31622157]

約数ペア:

[(1, 31622157), (3, 10540719), (7, 4517451), (9, 3513573), (21, 1505817), (27, 1171191), (43, 735399), (63, 501939), (81, 390397), (129, 245133), (189, 167313), (301, 105057), (387, 81711), (567, 55771), (903, 35019), (1161, 27237), (1297, 24381), (2709, 11673), (3483, 9079), (3891, 8127)]