1295109

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 20

約数和(自身を含む): 1974720

約数和(自身を除く): 679611

約数列:

[1, 3, 9, 27, 59, 81, 177, 271, 531, 813, 1593, 2439, 4779, 7317, 15989, 21951, 47967, 143901, 431703, 1295109]

約数ペア:

[(1, 1295109), (3, 431703), (9, 143901), (27, 47967), (59, 21951), (81, 15989), (177, 7317), (271, 4779), (531, 2439), (813, 1593)]