156720837

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{853}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 257867008

約数和(自身を除く): 101146171

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 673, 853, 2019, 2559, 4711, 5971, 8749, 11089, 14133, 17913, 26247, 33267, 61243, 77623, 183729, 232869, 574069, 1722207, 4018483, 7462897, 12055449, 22388691, 52240279, 156720837]

約数ペア:

[(1, 156720837), (3, 52240279), (7, 22388691), (13, 12055449), (21, 7462897), (39, 4018483), (91, 1722207), (273, 574069), (673, 232869), (853, 183729), (2019, 77623), (2559, 61243), (4711, 33267), (5971, 26247), (8749, 17913), (11089, 14133)]