13978923

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 22302720

約数和(自身を除く): 8323797

約数列:

[1, 3, 7, 21, 31, 93, 109, 197, 217, 327, 591, 651, 763, 1379, 2289, 3379, 4137, 6107, 10137, 18321, 21473, 23653, 42749, 64419, 70959, 128247, 150311, 450933, 665663, 1996989, 4659641, 13978923]

約数ペア:

[(1, 13978923), (3, 4659641), (7, 1996989), (21, 665663), (31, 450933), (93, 150311), (109, 128247), (197, 70959), (217, 64419), (327, 42749), (591, 23653), (651, 21473), (763, 18321), (1379, 10137), (2289, 6107), (3379, 4137)]