280145358

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{77431}}^1$

素因数の和:77509

約数の個数: 32

約数和(自身を含む): 631845120

約数和(自身を除く): 351699762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 77431, 154862, 232293, 464586, 696879, 1393758, 2090637, 4181274, 5187877, 10375754, 15563631, 31127262, 46690893, 93381786, 140072679, 280145358]

約数ペア:

[(1, 280145358), (2, 140072679), (3, 93381786), (6, 46690893), (9, 31127262), (18, 15563631), (27, 10375754), (54, 5187877), (67, 4181274), (134, 2090637), (201, 1393758), (402, 696879), (603, 464586), (1206, 232293), (1809, 154862), (3618, 77431)]