205087197

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 338735040

約数和(自身を除く): 133647843

約数列:

[1, 3, 7, 19, 21, 49, 57, 97, 133, 147, 291, 399, 679, 757, 931, 1843, 2037, 2271, 2793, 4753, 5299, 5529, 12901, 14259, 14383, 15897, 37093, 38703, 43149, 73429, 90307, 100681, 111279, 220287, 270921, 302043, 514003, 704767, 1395151, 1542009, 2114301, 3598021, 4185453, 9766057, 10794063, 29298171, 68362399, 205087197]

約数ペア:

[(1, 205087197), (3, 68362399), (7, 29298171), (19, 10794063), (21, 9766057), (49, 4185453), (57, 3598021), (97, 2114301), (133, 1542009), (147, 1395151), (291, 704767), (399, 514003), (679, 302043), (757, 270921), (931, 220287), (1843, 111279), (2037, 100681), (2271, 90307), (2793, 73429), (4753, 43149), (5299, 38703), (5529, 37093), (12901, 15897), (14259, 14383)]