16128963

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1336

約数の個数: 20

約数和(自身を含む): 24254208

約数和(自身を除く): 8125245

約数列:

[1, 3, 9, 27, 81, 173, 519, 1151, 1557, 3453, 4671, 10359, 14013, 31077, 93231, 199123, 597369, 1792107, 5376321, 16128963]

約数ペア:

[(1, 16128963), (3, 5376321), (9, 1792107), (27, 597369), (81, 199123), (173, 93231), (519, 31077), (1151, 14013), (1557, 10359), (3453, 4671)]