2105145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 4298112

約数和(自身を除く): 2192967

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 163, 205, 287, 315, 369, 489, 615, 815, 861, 1141, 1435, 1467, 1845, 2445, 2583, 3423, 4305, 5705, 6683, 7335, 10269, 12915, 17115, 20049, 33415, 46781, 51345, 60147, 100245, 140343, 233905, 300735, 421029, 701715, 2105145]

約数ペア:

[(1, 2105145), (3, 701715), (5, 421029), (7, 300735), (9, 233905), (15, 140343), (21, 100245), (35, 60147), (41, 51345), (45, 46781), (63, 33415), (105, 20049), (123, 17115), (163, 12915), (205, 10269), (287, 7335), (315, 6683), (369, 5705), (489, 4305), (615, 3423), (815, 2583), (861, 2445), (1141, 1845), (1435, 1467)]