2011307655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{160969}}^1$

素因数の和:161008

約数の個数: 48

約数和(自身を含む): 3963725280

約数和(自身を除く): 1952417625

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495, 160969, 482907, 804845, 1126783, 2414535, 2736473, 3380349, 5633915, 7887481, 8209419, 13682365, 16901745, 19155311, 23662443, 39437405, 41047095, 57465933, 95776555, 118312215, 134087177, 287329665, 402261531, 670435885, 2011307655]

約数ペア:

[(1, 2011307655), (3, 670435885), (5, 402261531), (7, 287329665), (15, 134087177), (17, 118312215), (21, 95776555), (35, 57465933), (49, 41047095), (51, 39437405), (85, 23662443), (105, 19155311), (119, 16901745), (147, 13682365), (245, 8209419), (255, 7887481), (357, 5633915), (595, 3380349), (735, 2736473), (833, 2414535), (1785, 1126783), (2499, 804845), (4165, 482907), (12495, 160969)]