16721727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 9695937

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 727, 1353, 2091, 2181, 7667, 7997, 12359, 23001, 23991, 29807, 37077, 89421, 135949, 327877, 407847, 506719, 983631, 1520157, 5573909, 16721727]

約数ペア:

[(1, 16721727), (3, 5573909), (11, 1520157), (17, 983631), (33, 506719), (41, 407847), (51, 327877), (123, 135949), (187, 89421), (451, 37077), (561, 29807), (697, 23991), (727, 23001), (1353, 12359), (2091, 7997), (2181, 7667)]