28959693

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19423}}^1$

素因数の和:19504

約数の個数: 16

約数和(自身を含む): 44752896

約数和(自身を除く): 15793203

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19423, 58269, 135961, 407883, 1379033, 4137099, 9653231, 28959693]

約数ペア:

[(1, 28959693), (3, 9653231), (7, 4137099), (21, 1379033), (71, 407883), (213, 135961), (497, 58269), (1491, 19423)]