577215

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1018368

約数和(自身を除く): 441153

約数列:

[1, 3, 5, 9, 15, 45, 101, 127, 303, 381, 505, 635, 909, 1143, 1515, 1905, 4545, 5715, 12827, 38481, 64135, 115443, 192405, 577215]

約数ペア:

[(1, 577215), (3, 192405), (5, 115443), (9, 64135), (15, 38481), (45, 12827), (101, 5715), (127, 4545), (303, 1905), (381, 1515), (505, 1143), (635, 909)]