17679987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 27728064

約数和(自身を除く): 10048077

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1103, 1233, 1781, 3309, 5343, 9927, 14339, 16029, 43017, 129051, 151111, 453333, 1359999, 1964443, 5893329, 17679987]

約数ペア:

[(1, 17679987), (3, 5893329), (9, 1964443), (13, 1359999), (39, 453333), (117, 151111), (137, 129051), (411, 43017), (1103, 16029), (1233, 14339), (1781, 9927), (3309, 5343)]