31903921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2892

約数の個数: 16

約数和(自身を含む): 38596608

約数和(自身を除く): 6692687

約数列:

[1, 7, 23, 71, 161, 497, 1633, 2791, 11431, 19537, 64193, 198161, 449351, 1387127, 4557703, 31903921]

約数ペア:

[(1, 31903921), (7, 4557703), (23, 1387127), (71, 449351), (161, 198161), (497, 64193), (1633, 19537), (2791, 11431)]