172912803

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 272724480

約数和(自身を除く): 99811677

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 1601, 2919, 4803, 5143, 11207, 15429, 33621, 36001, 59237, 108003, 177711, 222539, 414659, 667617, 1243977, 1557773, 4673319, 8233943, 24701829, 57637601, 172912803]

約数ペア:

[(1, 172912803), (3, 57637601), (7, 24701829), (21, 8233943), (37, 4673319), (111, 1557773), (139, 1243977), (259, 667617), (417, 414659), (777, 222539), (973, 177711), (1601, 108003), (2919, 59237), (4803, 36001), (5143, 33621), (11207, 15429)]