81199601

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 94755840

約数和(自身を除く): 13556239

約数列:

[1, 7, 61, 397, 427, 479, 2779, 3353, 24217, 29219, 169519, 190163, 204533, 1331141, 11599943, 81199601]

約数ペア:

[(1, 81199601), (7, 11599943), (61, 1331141), (397, 204533), (427, 190163), (479, 169519), (2779, 29219), (3353, 24217)]