69971139

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15643}}^1$

素因数の和:15727

約数の個数: 24

約数和(自身を含む): 117142272

約数和(自身を除く): 47171133

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15643, 46929, 109501, 140787, 328503, 985509, 1110653, 3331959, 7774571, 9995877, 23323713, 69971139]

約数ペア:

[(1, 69971139), (3, 23323713), (7, 9995877), (9, 7774571), (21, 3331959), (63, 1110653), (71, 985509), (213, 328503), (497, 140787), (639, 109501), (1491, 46929), (4473, 15643)]