26089605

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 47087040

約数和(自身を除く): 20997435

約数列:

[1, 3, 5, 9, 15, 43, 45, 97, 129, 139, 215, 291, 387, 417, 485, 645, 695, 873, 1251, 1455, 1935, 2085, 4171, 4365, 5977, 6255, 12513, 13483, 17931, 20855, 29885, 37539, 40449, 53793, 62565, 67415, 89655, 121347, 187695, 202245, 268965, 579769, 606735, 1739307, 2898845, 5217921, 8696535, 26089605]

約数ペア:

[(1, 26089605), (3, 8696535), (5, 5217921), (9, 2898845), (15, 1739307), (43, 606735), (45, 579769), (97, 268965), (129, 202245), (139, 187695), (215, 121347), (291, 89655), (387, 67415), (417, 62565), (485, 53793), (645, 40449), (695, 37539), (873, 29885), (1251, 20855), (1455, 17931), (1935, 13483), (2085, 12513), (4171, 6255), (4365, 5977)]