31427613

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2237}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 52136448

約数和(自身を除く): 20708835

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 2237, 4683, 6711, 14049, 15659, 20133, 46977, 140931, 498851, 1496553, 3491957, 4489659, 10475871, 31427613]

約数ペア:

[(1, 31427613), (3, 10475871), (7, 4489659), (9, 3491957), (21, 1496553), (63, 498851), (223, 140931), (669, 46977), (1561, 20133), (2007, 15659), (2237, 14049), (4683, 6711)]