123774

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:440

約数の個数: 24

約数和(自身を含む): 288648

約数和(自身を除く): 164874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 421, 842, 1263, 2526, 2947, 5894, 8841, 17682, 20629, 41258, 61887, 123774]

約数ペア:

[(1, 123774), (2, 61887), (3, 41258), (6, 20629), (7, 17682), (14, 8841), (21, 5894), (42, 2947), (49, 2526), (98, 1263), (147, 842), (294, 421)]