201561903

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{26317}}^1$

素因数の和:26383

約数の個数: 24

約数和(自身を含む): 312026208

約数和(自身を除く): 110464305

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7659, 26317, 78951, 236853, 605291, 973729, 1815873, 2921187, 5447619, 8763561, 22395767, 67187301, 201561903]

約数ペア:

[(1, 201561903), (3, 67187301), (9, 22395767), (23, 8763561), (37, 5447619), (69, 2921187), (111, 1815873), (207, 973729), (333, 605291), (851, 236853), (2553, 78951), (7659, 26317)]