490996971

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{90473}}^1$

素因数の和:90552

約数の個数: 20

約数和(自身を含む): 744420072

約数和(自身を除く): 253423101

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 90473, 271419, 814257, 2442771, 6061691, 7328313, 18185073, 54555219, 163665657, 490996971]

約数ペア:

[(1, 490996971), (3, 163665657), (9, 54555219), (27, 18185073), (67, 7328313), (81, 6061691), (201, 2442771), (603, 814257), (1809, 271419), (5427, 90473)]