74881989

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10159}}^1$

素因数の和:10191

約数の個数: 40

約数和(自身を含む): 137688320

約数和(自身を除く): 62806331

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 10159, 30477, 71113, 91431, 132067, 213339, 274293, 396201, 640017, 822879, 924469, 1188603, 1920051, 2773407, 3565809, 5760153, 8320221, 10697427, 24960663, 74881989]

約数ペア:

[(1, 74881989), (3, 24960663), (7, 10697427), (9, 8320221), (13, 5760153), (21, 3565809), (27, 2773407), (39, 1920051), (63, 1188603), (81, 924469), (91, 822879), (117, 640017), (189, 396201), (273, 274293), (351, 213339), (567, 132067), (819, 91431), (1053, 71113), (2457, 30477), (7371, 10159)]