18217455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12886545

約数列:

[1, 3, 5, 15, 17, 51, 85, 199, 255, 359, 597, 995, 1077, 1795, 2985, 3383, 5385, 6103, 10149, 16915, 18309, 30515, 50745, 71441, 91545, 214323, 357205, 1071615, 1214497, 3643491, 6072485, 18217455]

約数ペア:

[(1, 18217455), (3, 6072485), (5, 3643491), (15, 1214497), (17, 1071615), (51, 357205), (85, 214323), (199, 91545), (255, 71441), (359, 50745), (597, 30515), (995, 18309), (1077, 16915), (1795, 10149), (2985, 6103), (3383, 5385)]