31400217

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2304

約数の個数: 28

約数和(自身を含む): 49578480

約数和(自身を除く): 18178263

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2267, 4617, 6801, 13851, 20403, 43073, 61209, 129219, 183627, 387657, 550881, 1162971, 1652643, 3488913, 10466739, 31400217]

約数ペア:

[(1, 31400217), (3, 10466739), (9, 3488913), (19, 1652643), (27, 1162971), (57, 550881), (81, 387657), (171, 183627), (243, 129219), (513, 61209), (729, 43073), (1539, 20403), (2267, 13851), (4617, 6801)]