261006339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 389604096

約数和(自身を除く): 128597757

約数列:

[1, 3, 11, 33, 67, 97, 201, 291, 737, 1067, 1217, 2211, 3201, 3651, 6499, 13387, 19497, 40161, 71489, 81539, 118049, 214467, 244617, 354147, 896929, 1298539, 2690787, 3895617, 7909283, 23727849, 87002113, 261006339]

約数ペア:

[(1, 261006339), (3, 87002113), (11, 23727849), (33, 7909283), (67, 3895617), (97, 2690787), (201, 1298539), (291, 896929), (737, 354147), (1067, 244617), (1217, 214467), (2211, 118049), (3201, 81539), (3651, 71489), (6499, 40161), (13387, 19497)]