196913257857

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{308158463}}^1$

素因数の和:308158540

約数の個数: 12

約数和(自身を含む): 288436322304

約数和(自身を除く): 91523064447

約数列:

[1, 3, 9, 71, 213, 639, 308158463, 924475389, 2773426167, 21879250873, 65637752619, 196913257857]

約数ペア:

[(1, 196913257857), (3, 65637752619), (9, 21879250873), (71, 2773426167), (213, 924475389), (639, 308158463)]