31388517

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 46400640

約数和(自身を除く): 15012123

約数列:

[1, 3, 9, 79, 131, 237, 337, 393, 711, 1011, 1179, 3033, 10349, 26623, 31047, 44147, 79869, 93141, 132441, 239607, 397323, 3487613, 10462839, 31388517]

約数ペア:

[(1, 31388517), (3, 10462839), (9, 3487613), (79, 397323), (131, 239607), (237, 132441), (337, 93141), (393, 79869), (711, 44147), (1011, 31047), (1179, 26623), (3033, 10349)]