680778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 1729920

約数和(自身を除く): 1049142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1801, 3602, 5403, 10806, 12607, 16209, 25214, 32418, 37821, 48627, 75642, 97254, 113463, 226926, 340389, 680778]

約数ペア:

[(1, 680778), (2, 340389), (3, 226926), (6, 113463), (7, 97254), (9, 75642), (14, 48627), (18, 37821), (21, 32418), (27, 25214), (42, 16209), (54, 12607), (63, 10806), (126, 5403), (189, 3602), (378, 1801)]