263984109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{65521}}^1$

素因数の和:65620

約数の個数: 16

約数和(自身を含む): 377406720

約数和(自身を除く): 113422611

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 65521, 196563, 1113857, 3341571, 5176159, 15528477, 87994703, 263984109]

約数ペア:

[(1, 263984109), (3, 87994703), (17, 15528477), (51, 5176159), (79, 3341571), (237, 1113857), (1343, 196563), (4029, 65521)]