78417345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1699}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 133660800

約数和(自身を除く): 55243455

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 1699, 2715, 3077, 5097, 8495, 9231, 15385, 25485, 28883, 46155, 86649, 144415, 307519, 433245, 922557, 1537595, 4612785, 5227823, 15683469, 26139115, 78417345]

約数ペア:

[(1, 78417345), (3, 26139115), (5, 15683469), (15, 5227823), (17, 4612785), (51, 1537595), (85, 922557), (181, 433245), (255, 307519), (543, 144415), (905, 86649), (1699, 46155), (2715, 28883), (3077, 25485), (5097, 15385), (8495, 9231)]