71810529

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{2027}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 111896928

約数和(自身を除く): 40086399

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 2027, 5061, 6081, 11809, 14189, 35427, 42567, 99323, 297969, 488507, 1465521, 3419549, 10258647, 23936843, 71810529]

約数ペア:

[(1, 71810529), (3, 23936843), (7, 10258647), (21, 3419549), (49, 1465521), (147, 488507), (241, 297969), (723, 99323), (1687, 42567), (2027, 35427), (5061, 14189), (6081, 11809)]