31420539

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 48438000

約数和(自身を除く): 17017461

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 1499, 2329, 4497, 6987, 13491, 20961, 25483, 76449, 205363, 229347, 616089, 1848267, 3491171, 10473513, 31420539]

約数ペア:

[(1, 31420539), (3, 10473513), (9, 3491171), (17, 1848267), (51, 616089), (137, 229347), (153, 205363), (411, 76449), (1233, 25483), (1499, 20961), (2329, 13491), (4497, 6987)]