206520687

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{1709}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 309441600

約数和(自身を除く): 102920913

約数列:

[1, 3, 9, 29, 87, 261, 463, 1389, 1709, 4167, 5127, 13427, 15381, 40281, 49561, 120843, 148683, 446049, 791267, 2373801, 7121403, 22946743, 68840229, 206520687]

約数ペア:

[(1, 206520687), (3, 68840229), (9, 22946743), (29, 7121403), (87, 2373801), (261, 791267), (463, 446049), (1389, 148683), (1709, 120843), (4167, 49561), (5127, 40281), (13427, 15381)]