247647051

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{30271}}^1$

素因数の和:30384

約数の個数: 20

約数和(自身を含む): 373617024

約数和(自身を除く): 125969973

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 30271, 90813, 272439, 817317, 2451951, 3057371, 9172113, 27516339, 82549017, 247647051]

約数ペア:

[(1, 247647051), (3, 82549017), (9, 27516339), (27, 9172113), (81, 3057371), (101, 2451951), (303, 817317), (909, 272439), (2727, 90813), (8181, 30271)]