16785225

素因数分解:

$3^7\times 5^2\times {\mathrm{307}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 31317440

約数和(自身を除く): 14532215

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 307, 405, 675, 729, 921, 1215, 1535, 2025, 2187, 2763, 3645, 4605, 6075, 7675, 8289, 10935, 13815, 18225, 23025, 24867, 41445, 54675, 69075, 74601, 124335, 207225, 223803, 373005, 621675, 671409, 1119015, 1865025, 3357045, 5595075, 16785225]

約数ペア:

[(1, 16785225), (3, 5595075), (5, 3357045), (9, 1865025), (15, 1119015), (25, 671409), (27, 621675), (45, 373005), (75, 223803), (81, 207225), (135, 124335), (225, 74601), (243, 69075), (307, 54675), (405, 41445), (675, 24867), (729, 23025), (921, 18225), (1215, 13815), (1535, 10935), (2025, 8289), (2187, 7675), (2763, 6075), (3645, 4605)]