180539905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{857}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 267531264

約数和(自身を除く): 86991359

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 463, 857, 2315, 3241, 4285, 5999, 6019, 11141, 16205, 29995, 30095, 42133, 55705, 77987, 210665, 389935, 396791, 1983955, 2777537, 5158283, 13887685, 25791415, 36107981, 180539905]

約数ペア:

[(1, 180539905), (5, 36107981), (7, 25791415), (13, 13887685), (35, 5158283), (65, 2777537), (91, 1983955), (455, 396791), (463, 389935), (857, 210665), (2315, 77987), (3241, 55705), (4285, 42133), (5999, 30095), (6019, 29995), (11141, 16205)]