40770009

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 70387200

約数和(自身を除く): 29617191

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 281, 329, 343, 423, 441, 843, 987, 1029, 1967, 2303, 2529, 2961, 3087, 5901, 6909, 13207, 13769, 16121, 17703, 20727, 39621, 41307, 48363, 92449, 96383, 118863, 123921, 145089, 277347, 289149, 647143, 832041, 867447, 1941429, 4530001, 5824287, 13590003, 40770009]

約数ペア:

[(1, 40770009), (3, 13590003), (7, 5824287), (9, 4530001), (21, 1941429), (47, 867447), (49, 832041), (63, 647143), (141, 289149), (147, 277347), (281, 145089), (329, 123921), (343, 118863), (423, 96383), (441, 92449), (843, 48363), (987, 41307), (1029, 39621), (1967, 20727), (2303, 17703), (2529, 16121), (2961, 13769), (3087, 13207), (5901, 6909)]