208031715

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 368409600

約数和(自身を除く): 160377885

約数列:

[1, 3, 5, 9, 15, 45, 89, 127, 267, 381, 409, 445, 635, 801, 1143, 1227, 1335, 1905, 2045, 3681, 4005, 5715, 6135, 11303, 18405, 33909, 36401, 51943, 56515, 101727, 109203, 155829, 169545, 182005, 259715, 327609, 467487, 508635, 546015, 779145, 1638045, 2337435, 4622927, 13868781, 23114635, 41606343, 69343905, 208031715]

約数ペア:

[(1, 208031715), (3, 69343905), (5, 41606343), (9, 23114635), (15, 13868781), (45, 4622927), (89, 2337435), (127, 1638045), (267, 779145), (381, 546015), (409, 508635), (445, 467487), (635, 327609), (801, 259715), (1143, 182005), (1227, 169545), (1335, 155829), (1905, 109203), (2045, 101727), (3681, 56515), (4005, 51943), (5715, 36401), (6135, 33909), (11303, 18405)]