17680923

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 29658720

約数和(自身を除く): 11977797

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 193, 243, 261, 351, 377, 579, 783, 1053, 1131, 1737, 2349, 2509, 3159, 3393, 5211, 5597, 7047, 7527, 10179, 15633, 16791, 22581, 30537, 46899, 50373, 67743, 72761, 91611, 151119, 203229, 218283, 453357, 609687, 654849, 1360071, 1964547, 5893641, 17680923]

約数ペア:

[(1, 17680923), (3, 5893641), (9, 1964547), (13, 1360071), (27, 654849), (29, 609687), (39, 453357), (81, 218283), (87, 203229), (117, 151119), (193, 91611), (243, 72761), (261, 67743), (351, 50373), (377, 46899), (579, 30537), (783, 22581), (1053, 16791), (1131, 15633), (1737, 10179), (2349, 7527), (2509, 7047), (3159, 5597), (3393, 5211)]