156978639

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{160019}}^1$

素因数の和:160134

約数の個数: 12

約数和(自身を含む): 228828600

約数和(自身を除く): 71849961

約数列:

[1, 3, 9, 109, 327, 981, 160019, 480057, 1440171, 17442071, 52326213, 156978639]

約数ペア:

[(1, 156978639), (3, 52326213), (9, 17442071), (109, 1440171), (327, 480057), (981, 160019)]