38781549

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 57350592

約数和(自身を除く): 18569043

約数列:

[1, 3, 9, 71, 137, 213, 411, 443, 639, 1233, 1329, 3987, 9727, 29181, 31453, 60691, 87543, 94359, 182073, 283077, 546219, 4309061, 12927183, 38781549]

約数ペア:

[(1, 38781549), (3, 12927183), (9, 4309061), (71, 546219), (137, 283077), (213, 182073), (411, 94359), (443, 87543), (639, 60691), (1233, 31453), (1329, 29181), (3987, 9727)]