11981661

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 16396800

約数和(自身を除く): 4415139

約数列:

[1, 3, 59, 139, 177, 417, 487, 1461, 8201, 24603, 28733, 67693, 86199, 203079, 3993887, 11981661]

約数ペア:

[(1, 11981661), (3, 3993887), (59, 203079), (139, 86199), (177, 67693), (417, 28733), (487, 24603), (1461, 8201)]