4781781

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 7603200

約数和(自身を除く): 2821419

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 197, 261, 279, 591, 783, 837, 899, 1773, 2697, 5319, 5713, 6107, 8091, 17139, 18321, 24273, 51417, 54963, 154251, 164889, 177103, 531309, 1593927, 4781781]

約数ペア:

[(1, 4781781), (3, 1593927), (9, 531309), (27, 177103), (29, 164889), (31, 154251), (87, 54963), (93, 51417), (197, 24273), (261, 18321), (279, 17139), (591, 8091), (783, 6107), (837, 5713), (899, 5319), (1773, 2697)]