13217121

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{8297}}^1$

素因数の和:8365

約数の個数: 16

約数和(自身を含む): 19915200

約数和(自身を除く): 6698079

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 8297, 24891, 74673, 224019, 489523, 1468569, 4405707, 13217121]

約数ペア:

[(1, 13217121), (3, 4405707), (9, 1468569), (27, 489523), (59, 224019), (177, 74673), (531, 24891), (1593, 8297)]