20172969

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1202

約数の個数: 20

約数和(自身を含む): 30279040

約数和(自身を除く): 10106071

約数列:

[1, 3, 9, 27, 81, 271, 813, 919, 2439, 2757, 7317, 8271, 21951, 24813, 74439, 249049, 747147, 2241441, 6724323, 20172969]

約数ペア:

[(1, 20172969), (3, 6724323), (9, 2241441), (27, 747147), (81, 249049), (271, 74439), (813, 24813), (919, 21951), (2439, 8271), (2757, 7317)]