2720681487

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{15307}}^1$

素因数の和:15572

約数の個数: 32

約数和(自身を含む): 4188268800

約数和(自身を除く): 1467587313

約数列:

[1, 3, 9, 27, 29, 87, 227, 261, 681, 783, 2043, 6129, 6583, 15307, 19749, 45921, 59247, 137763, 177741, 413289, 443903, 1331709, 3474689, 3995127, 10424067, 11985381, 31272201, 93816603, 100765981, 302297943, 906893829, 2720681487]

約数ペア:

[(1, 2720681487), (3, 906893829), (9, 302297943), (27, 100765981), (29, 93816603), (87, 31272201), (227, 11985381), (261, 10424067), (681, 3995127), (783, 3474689), (2043, 1331709), (6129, 443903), (6583, 413289), (15307, 177741), (19749, 137763), (45921, 59247)]