16512255

素因数分解:

$3^4\times 5^1\times {\mathrm{40771}}^1$

素因数の和:40788

約数の個数: 20

約数和(自身を含む): 29600472

約数和(自身を除く): 13088217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 40771, 122313, 203855, 366939, 611565, 1100817, 1834695, 3302451, 5504085, 16512255]

約数ペア:

[(1, 16512255), (3, 5504085), (5, 3302451), (9, 1834695), (15, 1100817), (27, 611565), (45, 366939), (81, 203855), (135, 122313), (405, 40771)]