207982185

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 343326720

約数和(自身を除く): 135344535

約数列:

[1, 3, 5, 15, 43, 127, 129, 215, 381, 635, 645, 1905, 2539, 5461, 7617, 12695, 16383, 27305, 38085, 81915, 109177, 322453, 327531, 545885, 967359, 1612265, 1637655, 4836795, 13865479, 41596437, 69327395, 207982185]

約数ペア:

[(1, 207982185), (3, 69327395), (5, 41596437), (15, 13865479), (43, 4836795), (127, 1637655), (129, 1612265), (215, 967359), (381, 545885), (635, 327531), (645, 322453), (1905, 109177), (2539, 81915), (5461, 38085), (7617, 27305), (12695, 16383)]