31210929

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 48115080

約数和(自身を除く): 16904151

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 1489, 2329, 4467, 6987, 13401, 20961, 25313, 75939, 203993, 227817, 611979, 1835937, 3467881, 10403643, 31210929]

約数ペア:

[(1, 31210929), (3, 10403643), (9, 3467881), (17, 1835937), (51, 611979), (137, 227817), (153, 203993), (411, 75939), (1233, 25313), (1489, 20961), (2329, 13401), (4467, 6987)]