189977277

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 299622400

約数和(自身を除く): 109645123

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 1759, 2919, 5143, 5277, 12313, 15429, 36001, 36939, 65083, 108003, 195249, 244501, 455581, 733503, 1366743, 1711507, 5134521, 9046537, 27139611, 63325759, 189977277]

約数ペア:

[(1, 189977277), (3, 63325759), (7, 27139611), (21, 9046537), (37, 5134521), (111, 1711507), (139, 1366743), (259, 733503), (417, 455581), (777, 244501), (973, 195249), (1759, 108003), (2919, 65083), (5143, 36939), (5277, 36001), (12313, 15429)]