81700191

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{51287}}^1$

素因数の和:51355

約数の個数: 16

約数和(自身を含む): 123091200

約数和(自身を除く): 41391009

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 51287, 153861, 461583, 1384749, 3025933, 9077799, 27233397, 81700191]

約数ペア:

[(1, 81700191), (3, 27233397), (9, 9077799), (27, 3025933), (59, 1384749), (177, 461583), (531, 153861), (1593, 51287)]