28689753

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 41148000

約数和(自身を除く): 12458247

約数列:

[1, 3, 19, 57, 59, 177, 361, 449, 1083, 1121, 1347, 3363, 8531, 21299, 25593, 26491, 63897, 79473, 162089, 486267, 503329, 1509987, 9563251, 28689753]

約数ペア:

[(1, 28689753), (3, 9563251), (19, 1509987), (57, 503329), (59, 486267), (177, 162089), (361, 79473), (449, 63897), (1083, 26491), (1121, 25593), (1347, 21299), (3363, 8531)]