47721009

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61417}}^1$

素因数の和:61464

約数の個数: 16

約数和(自身を含む): 74684288

約数和(自身を除く): 26963279

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 61417, 184251, 429919, 1289757, 2272429, 6817287, 15907003, 47721009]

約数ペア:

[(1, 47721009), (3, 15907003), (7, 6817287), (21, 2272429), (37, 1289757), (111, 429919), (259, 184251), (777, 61417)]