678240069

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{31793}}^1$

素因数の和:32356

約数の個数: 16

約数和(自身を含む): 975694272

約数和(自身を除く): 297454203

約数列:

[1, 3, 13, 39, 547, 1641, 7111, 21333, 31793, 95379, 413309, 1239927, 17390771, 52172313, 226080023, 678240069]

約数ペア:

[(1, 678240069), (3, 226080023), (13, 52172313), (39, 17390771), (547, 1239927), (1641, 413309), (7111, 95379), (21333, 31793)]