81870657

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{13267}}^1$

素因数の和:13309

約数の個数: 24

約数和(自身を含む): 127054368

約数和(自身を除く): 45183711

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 6171, 13267, 39801, 145937, 225539, 437811, 676617, 1605307, 2480929, 4815921, 7442787, 27290219, 81870657]

約数ペア:

[(1, 81870657), (3, 27290219), (11, 7442787), (17, 4815921), (33, 2480929), (51, 1605307), (121, 676617), (187, 437811), (363, 225539), (561, 145937), (2057, 39801), (6171, 13267)]