209968202025

素因数分解:

$3^6\times 5^2\times {\mathrm{11520889}}^1$

素因数の和:11520917

約数の個数: 42

約数和(自身を含む): 390362315870

約数和(自身を除く): 180394113845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 11520889, 34562667, 57604445, 103688001, 172813335, 288022225, 311064003, 518440005, 864066675, 933192009, 1555320015, 2592200025, 2799576027, 4665960045, 7776600075, 8398728081, 13997880135, 23329800225, 41993640405, 69989400675, 209968202025]

約数ペア:

[(1, 209968202025), (3, 69989400675), (5, 41993640405), (9, 23329800225), (15, 13997880135), (25, 8398728081), (27, 7776600075), (45, 4665960045), (75, 2799576027), (81, 2592200025), (135, 1555320015), (225, 933192009), (243, 864066675), (405, 518440005), (675, 311064003), (729, 288022225), (1215, 172813335), (2025, 103688001), (3645, 57604445), (6075, 34562667), (18225, 11520889)]