64615077

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{5081}}^1$

素因数の和:5250

約数の個数: 20

約数和(自身を含む): 97157676

約数和(自身を除く): 32542599

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 5081, 12717, 15243, 45729, 137187, 411561, 797717, 2393151, 7179453, 21538359, 64615077]

約数ペア:

[(1, 64615077), (3, 21538359), (9, 7179453), (27, 2393151), (81, 797717), (157, 411561), (471, 137187), (1413, 45729), (4239, 15243), (5081, 12717)]