81181617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 120890880

約数和(自身を除く): 39709263

約数列:

[1, 3, 11, 33, 89, 131, 211, 267, 393, 633, 979, 1441, 2321, 2937, 4323, 6963, 11659, 18779, 27641, 34977, 56337, 82923, 128249, 206569, 304051, 384747, 619707, 912153, 2460049, 7380147, 27060539, 81181617]

約数ペア:

[(1, 81181617), (3, 27060539), (11, 7380147), (33, 2460049), (89, 912153), (131, 619707), (211, 384747), (267, 304051), (393, 206569), (633, 128249), (979, 82923), (1441, 56337), (2321, 34977), (2937, 27641), (4323, 18779), (6963, 11659)]