836756487

素因数分解:

$3^4\times 7^2\times {\mathrm{210823}}^1$

素因数の和:210849

約数の個数: 30

約数和(自身を含む): 1454053128

約数和(自身を除く): 617296641

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 210823, 632469, 1475761, 1897407, 4427283, 5692221, 10330327, 13281849, 17076663, 30990981, 39845547, 92972943, 119536641, 278918829, 836756487]

約数ペア:

[(1, 836756487), (3, 278918829), (7, 119536641), (9, 92972943), (21, 39845547), (27, 30990981), (49, 17076663), (63, 13281849), (81, 10330327), (147, 5692221), (189, 4427283), (441, 1897407), (567, 1475761), (1323, 632469), (3969, 210823)]