1905498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^2$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4908480

約数和(自身を除く): 3002982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 5041, 8946, 10082, 13419, 15123, 26838, 30246, 35287, 45369, 70574, 90738, 105861, 136107, 211722, 272214, 317583, 635166, 952749, 1905498]

約数ペア:

[(1, 1905498), (2, 952749), (3, 635166), (6, 317583), (7, 272214), (9, 211722), (14, 136107), (18, 105861), (21, 90738), (27, 70574), (42, 45369), (54, 35287), (63, 30246), (71, 26838), (126, 15123), (142, 13419), (189, 10082), (213, 8946), (378, 5041), (426, 4473), (497, 3834), (639, 2982), (994, 1917), (1278, 1491)]