2678397921

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{30817}}^1$

素因数の和:30895

約数の個数: 40

約数和(自身を含む): 4251034920

約数和(自身を除く): 1572636999

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 261, 333, 783, 999, 1073, 2349, 2997, 3219, 9657, 28971, 30817, 86913, 92451, 277353, 832059, 893693, 1140229, 2496177, 2681079, 3420687, 8043237, 10262061, 24129711, 30786183, 33066641, 72389133, 92358549, 99199923, 297599769, 892799307, 2678397921]

約数ペア:

[(1, 2678397921), (3, 892799307), (9, 297599769), (27, 99199923), (29, 92358549), (37, 72389133), (81, 33066641), (87, 30786183), (111, 24129711), (261, 10262061), (333, 8043237), (783, 3420687), (999, 2681079), (1073, 2496177), (2349, 1140229), (2997, 893693), (3219, 832059), (9657, 277353), (28971, 92451), (30817, 86913)]