78678909

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 117226200

約数和(自身を除く): 38547291

約数列:

[1, 3, 9, 37, 111, 333, 349, 677, 1047, 2031, 3141, 6093, 12913, 25049, 38739, 75147, 116217, 225441, 236273, 708819, 2126457, 8742101, 26226303, 78678909]

約数ペア:

[(1, 78678909), (3, 26226303), (9, 8742101), (37, 2126457), (111, 708819), (333, 236273), (349, 225441), (677, 116217), (1047, 75147), (2031, 38739), (3141, 25049), (6093, 12913)]