28611471

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 46752768

約数和(自身を除く): 18141297

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1601, 2553, 4803, 5957, 11207, 17871, 33621, 36823, 59237, 110469, 177711, 257761, 414659, 773283, 1243977, 1362451, 4087353, 9537157, 28611471]

約数ペア:

[(1, 28611471), (3, 9537157), (7, 4087353), (21, 1362451), (23, 1243977), (37, 773283), (69, 414659), (111, 257761), (161, 177711), (259, 110469), (483, 59237), (777, 36823), (851, 33621), (1601, 17871), (2553, 11207), (4803, 5957)]