249236433

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{161947}}^1$

素因数の和:161978

約数の個数: 20

約数和(自身を含む): 391914160

約数和(自身を除く): 142677727

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 161947, 485841, 1457523, 3076993, 4372569, 9230979, 13117707, 27692937, 83078811, 249236433]

約数ペア:

[(1, 249236433), (3, 83078811), (9, 27692937), (19, 13117707), (27, 9230979), (57, 4372569), (81, 3076993), (171, 1457523), (513, 485841), (1539, 161947)]