16423281

素因数分解:

$3^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 27885312

約数和(自身を除く): 11462031

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 167, 223, 441, 501, 669, 1169, 1503, 1561, 2007, 3507, 4683, 8183, 10521, 10927, 14049, 24549, 32781, 37241, 73647, 98343, 111723, 260687, 335169, 782061, 1824809, 2346183, 5474427, 16423281]

約数ペア:

[(1, 16423281), (3, 5474427), (7, 2346183), (9, 1824809), (21, 782061), (49, 335169), (63, 260687), (147, 111723), (167, 98343), (223, 73647), (441, 37241), (501, 32781), (669, 24549), (1169, 14049), (1503, 10927), (1561, 10521), (2007, 8183), (3507, 4683)]