816642

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^2$

素因数の和:156

約数の個数: 30

約数和(自身を含む): 1856019

約数和(自身を除く): 1039377

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5041, 5751, 10082, 11502, 15123, 30246, 45369, 90738, 136107, 272214, 408321, 816642]

約数ペア:

[(1, 816642), (2, 408321), (3, 272214), (6, 136107), (9, 90738), (18, 45369), (27, 30246), (54, 15123), (71, 11502), (81, 10082), (142, 5751), (162, 5041), (213, 3834), (426, 1917), (639, 1278)]