81857763

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7523}}^1$

素因数の和:7576

約数の個数: 32

約数和(自身を含む): 134830080

約数和(自身を除く): 52972317

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 3627, 7523, 10881, 22569, 67707, 97799, 203121, 233213, 293397, 699639, 880191, 2098917, 2640573, 3031769, 6296751, 9095307, 27285921, 81857763]

約数ペア:

[(1, 81857763), (3, 27285921), (9, 9095307), (13, 6296751), (27, 3031769), (31, 2640573), (39, 2098917), (93, 880191), (117, 699639), (279, 293397), (351, 233213), (403, 203121), (837, 97799), (1209, 67707), (3627, 22569), (7523, 10881)]