71421399

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19889}}^1$

素因数の和:19924

約数の個数: 32

約数和(自身を含む): 127296000

約数和(自身を除く): 55874601

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 19889, 59667, 139223, 179001, 377891, 417669, 537003, 1133673, 1253007, 2645237, 3401019, 3759021, 7935711, 10203057, 23807133, 71421399]

約数ペア:

[(1, 71421399), (3, 23807133), (7, 10203057), (9, 7935711), (19, 3759021), (21, 3401019), (27, 2645237), (57, 1253007), (63, 1133673), (133, 537003), (171, 417669), (189, 377891), (399, 179001), (513, 139223), (1197, 59667), (3591, 19889)]