258016509

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{109841}}^1$

素因数の和:109882

約数の個数: 20

約数和(自身を含む): 398726460

約数和(自身を除く): 140709951

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 109841, 329523, 988569, 2965707, 3185389, 8897121, 9556167, 28668501, 86005503, 258016509]

約数ペア:

[(1, 258016509), (3, 86005503), (9, 28668501), (27, 9556167), (29, 8897121), (81, 3185389), (87, 2965707), (261, 988569), (783, 329523), (2349, 109841)]