201080505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{1381}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 341497728

約数和(自身を除く): 140417223

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 571, 1381, 1713, 2855, 4143, 6905, 8565, 9707, 20715, 23477, 29121, 48535, 70431, 117385, 145605, 352155, 788551, 2365653, 3942755, 11828265, 13405367, 40216101, 67026835, 201080505]

約数ペア:

[(1, 201080505), (3, 67026835), (5, 40216101), (15, 13405367), (17, 11828265), (51, 3942755), (85, 2365653), (255, 788551), (571, 352155), (1381, 145605), (1713, 117385), (2855, 70431), (4143, 48535), (6905, 29121), (8565, 23477), (9707, 20715)]