29987631

素因数分解:

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

素因数の和:15723

約数の個数: 16

約数和(自身を含む): 45054720

約数和(自身を除く): 15067089

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 15643, 46929, 140787, 422361, 1110653, 3331959, 9995877, 29987631]

約数ペア:

[(1, 29987631), (3, 9995877), (9, 3331959), (27, 1110653), (71, 422361), (213, 140787), (639, 46929), (1917, 15643)]