1881558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 4736160

約数和(自身を除く): 2854602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 137, 218, 274, 327, 411, 654, 763, 822, 959, 981, 1233, 1526, 1918, 1962, 2289, 2466, 2877, 4578, 5754, 6867, 8631, 13734, 14933, 17262, 29866, 44799, 89598, 104531, 134397, 209062, 268794, 313593, 627186, 940779, 1881558]

約数ペア:

[(1, 1881558), (2, 940779), (3, 627186), (6, 313593), (7, 268794), (9, 209062), (14, 134397), (18, 104531), (21, 89598), (42, 44799), (63, 29866), (109, 17262), (126, 14933), (137, 13734), (218, 8631), (274, 6867), (327, 5754), (411, 4578), (654, 2877), (763, 2466), (822, 2289), (959, 1962), (981, 1918), (1233, 1526)]