71988939

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6551}}^1$

素因数の和:6608

約数の個数: 32

約数和(自身を含む): 119508480

約数和(自身を除く): 47519541

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 6551, 10989, 19653, 58959, 72061, 176877, 216183, 242387, 648549, 727161, 1945647, 2181483, 2666257, 6544449, 7998771, 23996313, 71988939]

約数ペア:

[(1, 71988939), (3, 23996313), (9, 7998771), (11, 6544449), (27, 2666257), (33, 2181483), (37, 1945647), (99, 727161), (111, 648549), (297, 242387), (333, 216183), (407, 176877), (999, 72061), (1221, 58959), (3663, 19653), (6551, 10989)]