239816055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{18787}}^1$

素因数の和:18855

約数の個数: 32

約数和(自身を含む): 411231744

約数和(自身を除く): 171415689

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 18787, 56361, 93935, 281805, 432101, 695119, 1296303, 2085357, 2160505, 3475595, 6481515, 10426785, 15987737, 47963211, 79938685, 239816055]

約数ペア:

[(1, 239816055), (3, 79938685), (5, 47963211), (15, 15987737), (23, 10426785), (37, 6481515), (69, 3475595), (111, 2160505), (115, 2085357), (185, 1296303), (345, 695119), (555, 432101), (851, 281805), (2553, 93935), (4255, 56361), (12765, 18787)]