158520809937

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20910277}}^1$

素因数の和:20910325

約数の個数: 24

約数和(自身を含む): 254938109376

約数和(自身を除く): 96417299439

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 20910277, 62730831, 146371939, 397295263, 439115817, 1191885789, 2781066841, 7548609997, 8343200523, 22645829991, 52840269979, 158520809937]

約数ペア:

[(1, 158520809937), (3, 52840269979), (7, 22645829991), (19, 8343200523), (21, 7548609997), (57, 2781066841), (133, 1191885789), (361, 439115817), (399, 397295263), (1083, 146371939), (2527, 62730831), (7581, 20910277)]