520121493

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{14627}}^1$

素因数の和:15078

約数の個数: 20

約数和(自身を含む): 778794720

約数和(自身を除く): 258673227

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 14627, 35559, 43881, 131643, 394929, 1184787, 6421253, 19263759, 57791277, 173373831, 520121493]

約数ペア:

[(1, 520121493), (3, 173373831), (9, 57791277), (27, 19263759), (81, 6421253), (439, 1184787), (1317, 394929), (3951, 131643), (11853, 43881), (14627, 35559)]