8126307

素因数分解:

$3^2\times 7^2\times {\mathrm{18427}}^1$

素因数の和:18447

約数の個数: 18

約数和(自身を含む): 13655148

約数和(自身を除く): 5528841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 18427, 55281, 128989, 165843, 386967, 902923, 1160901, 2708769, 8126307]

約数ペア:

[(1, 8126307), (3, 2708769), (7, 1160901), (9, 902923), (21, 386967), (49, 165843), (63, 128989), (147, 55281), (441, 18427)]