81519777

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 131490216

約数和(自身を除く): 49970439

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 459, 477, 901, 1117, 1377, 1431, 2703, 3351, 4293, 8109, 10053, 18989, 24327, 30159, 56967, 59201, 72981, 90477, 170901, 177603, 512703, 532809, 1006417, 1538109, 1598427, 3019251, 4795281, 9057753, 27173259, 81519777]

約数ペア:

[(1, 81519777), (3, 27173259), (9, 9057753), (17, 4795281), (27, 3019251), (51, 1598427), (53, 1538109), (81, 1006417), (153, 532809), (159, 512703), (459, 177603), (477, 170901), (901, 90477), (1117, 72981), (1377, 59201), (1431, 56967), (2703, 30159), (3351, 24327), (4293, 18989), (8109, 10053)]