16899921

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4091}}^1$

素因数の和:4123

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 9910863

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4091, 4131, 12273, 36819, 69547, 110457, 208641, 331371, 625923, 994113, 1877769, 5633307, 16899921]

約数ペア:

[(1, 16899921), (3, 5633307), (9, 1877769), (17, 994113), (27, 625923), (51, 331371), (81, 208641), (153, 110457), (243, 69547), (459, 36819), (1377, 12273), (4091, 4131)]