28790931

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14109549

約数列:

[1, 3, 13, 39, 47, 113, 139, 141, 339, 417, 611, 1469, 1807, 1833, 4407, 5311, 5421, 6533, 15707, 15933, 19599, 47121, 69043, 84929, 204191, 207129, 254787, 612573, 738229, 2214687, 9596977, 28790931]

約数ペア:

[(1, 28790931), (3, 9596977), (13, 2214687), (39, 738229), (47, 612573), (113, 254787), (139, 207129), (141, 204191), (339, 84929), (417, 69043), (611, 47121), (1469, 19599), (1807, 15933), (1833, 15707), (4407, 6533), (5311, 5421)]