31223709

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 49576800

約数和(自身を除く): 18353091

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 2269, 4587, 6807, 13761, 20421, 24959, 74877, 224631, 315391, 946173, 2838519, 3469301, 10407903, 31223709]

約数ペア:

[(1, 31223709), (3, 10407903), (9, 3469301), (11, 2838519), (33, 946173), (99, 315391), (139, 224631), (417, 74877), (1251, 24959), (1529, 20421), (2269, 13761), (4587, 6807)]