221836617

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{19609}}^1$

素因数の和:20037

約数の個数: 16

約数和(自身を含む): 329448000

約数和(自身を除く): 107611383

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 19609, 58827, 176481, 529443, 8216171, 24648513, 73945539, 221836617]

約数ペア:

[(1, 221836617), (3, 73945539), (9, 24648513), (27, 8216171), (419, 529443), (1257, 176481), (3771, 58827), (11313, 19609)]