78682215

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 128434176

約数和(自身を除く): 49751961

約数列:

[1, 3, 5, 15, 103, 127, 309, 381, 401, 515, 635, 1203, 1545, 1905, 2005, 6015, 13081, 39243, 41303, 50927, 65405, 123909, 152781, 196215, 206515, 254635, 619545, 763905, 5245481, 15736443, 26227405, 78682215]

約数ペア:

[(1, 78682215), (3, 26227405), (5, 15736443), (15, 5245481), (103, 763905), (127, 619545), (309, 254635), (381, 206515), (401, 196215), (515, 152781), (635, 123909), (1203, 65405), (1545, 50927), (1905, 41303), (2005, 39243), (6015, 13081)]