12920797869

素因数分解:

$3^1\times 7^1\times {\mathrm{9421}}^1\times {\mathrm{65309}}^1$

素因数の和:74740

約数の個数: 16

約数和(自身を含む): 19691226240

約数和(自身を除く): 6770428371

約数列:

[1, 3, 7, 21, 9421, 28263, 65309, 65947, 195927, 197841, 457163, 1371489, 615276089, 1845828267, 4306932623, 12920797869]

約数ペア:

[(1, 12920797869), (3, 4306932623), (7, 1845828267), (21, 615276089), (9421, 1371489), (28263, 457163), (65309, 197841), (65947, 195927)]