27981933

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 16918419

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 651, 811, 1113, 1643, 2433, 4929, 5677, 11501, 17031, 25141, 34503, 42983, 75423, 128949, 175987, 300881, 527961, 902643, 1332473, 3997419, 9327311, 27981933]

約数ペア:

[(1, 27981933), (3, 9327311), (7, 3997419), (21, 1332473), (31, 902643), (53, 527961), (93, 300881), (159, 175987), (217, 128949), (371, 75423), (651, 42983), (811, 34503), (1113, 25141), (1643, 17031), (2433, 11501), (4929, 5677)]