16857315

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 30579120

約数和(自身を除く): 13721805

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 389, 405, 535, 963, 1167, 1605, 1945, 2889, 3501, 4815, 5835, 8667, 10503, 14445, 17505, 31509, 41623, 43335, 52515, 124869, 157545, 208115, 374607, 624345, 1123821, 1873035, 3371463, 5619105, 16857315]

約数ペア:

[(1, 16857315), (3, 5619105), (5, 3371463), (9, 1873035), (15, 1123821), (27, 624345), (45, 374607), (81, 208115), (107, 157545), (135, 124869), (321, 52515), (389, 43335), (405, 41623), (535, 31509), (963, 17505), (1167, 14445), (1605, 10503), (1945, 8667), (2889, 5835), (3501, 4815)]