393876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{521}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 1169280

約数和(自身を除く): 775404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 521, 756, 1042, 1563, 2084, 3126, 3647, 4689, 6252, 7294, 9378, 10941, 14067, 14588, 18756, 21882, 28134, 32823, 43764, 56268, 65646, 98469, 131292, 196938, 393876]

約数ペア:

[(1, 393876), (2, 196938), (3, 131292), (4, 98469), (6, 65646), (7, 56268), (9, 43764), (12, 32823), (14, 28134), (18, 21882), (21, 18756), (27, 14588), (28, 14067), (36, 10941), (42, 9378), (54, 7294), (63, 6252), (84, 4689), (108, 3647), (126, 3126), (189, 2084), (252, 1563), (378, 1042), (521, 756)]