9813985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 12499200

約数和(自身を除く): 2685215

約数列:

[1, 5, 23, 61, 115, 305, 1399, 1403, 6995, 7015, 32177, 85339, 160885, 426695, 1962797, 9813985]

約数ペア:

[(1, 9813985), (5, 1962797), (23, 426695), (61, 160885), (115, 85339), (305, 32177), (1399, 7015), (1403, 6995)]