1640246517

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222527}}^1$

素因数の和:222559

約数の個数: 40

約数和(自身を含む): 3015699456

約数和(自身を除く): 1375452939

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 222527, 667581, 1557689, 2002743, 2892851, 4673067, 6008229, 8678553, 14019201, 18024687, 20249957, 26035659, 42057603, 60749871, 78106977, 126172809, 182249613, 234320931, 546748839, 1640246517]

約数ペア:

[(1, 1640246517), (3, 546748839), (7, 234320931), (9, 182249613), (13, 126172809), (21, 78106977), (27, 60749871), (39, 42057603), (63, 26035659), (81, 20249957), (91, 18024687), (117, 14019201), (189, 8678553), (273, 6008229), (351, 4673067), (567, 2892851), (819, 2002743), (1053, 1557689), (2457, 667581), (7371, 222527)]