69987309

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{31147}}^1$

素因数の和:31264

約数の個数: 16

約数和(自身を含む): 107647488

約数和(自身を除く): 37660179

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 31147, 93441, 218029, 654087, 3332729, 9998187, 23329103, 69987309]

約数ペア:

[(1, 69987309), (3, 23329103), (7, 9998187), (21, 3332729), (107, 654087), (321, 218029), (749, 93441), (2247, 31147)]