99131991

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127583}}^1$

素因数の和:127630

約数の個数: 16

約数和(自身を含む): 155142144

約数和(自身を除く): 56010153

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 127583, 382749, 893081, 2679243, 4720571, 14161713, 33043997, 99131991]

約数ペア:

[(1, 99131991), (3, 33043997), (7, 14161713), (21, 4720571), (37, 2679243), (111, 893081), (259, 382749), (777, 127583)]