71993079

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 112067280

約数和(自身を除く): 40074201

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 289, 311, 801, 867, 933, 1513, 2601, 2799, 4539, 5287, 13617, 15861, 25721, 27679, 47583, 77163, 83037, 89879, 231489, 249111, 269637, 470543, 808911, 1411629, 4234887, 7999231, 23997693, 71993079]

約数ペア:

[(1, 71993079), (3, 23997693), (9, 7999231), (17, 4234887), (51, 1411629), (89, 808911), (153, 470543), (267, 269637), (289, 249111), (311, 231489), (801, 89879), (867, 83037), (933, 77163), (1513, 47583), (2601, 27679), (2799, 25721), (4539, 15861), (5287, 13617)]