17887947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 29958144

約数和(自身を除く): 12070197

約数列:

[1, 3, 7, 11, 21, 33, 77, 211, 231, 367, 633, 1101, 1477, 2321, 2569, 4037, 4431, 6963, 7707, 12111, 16247, 28259, 48741, 77437, 84777, 232311, 542059, 851807, 1626177, 2555421, 5962649, 17887947]

約数ペア:

[(1, 17887947), (3, 5962649), (7, 2555421), (11, 1626177), (21, 851807), (33, 542059), (77, 232311), (211, 84777), (231, 77437), (367, 48741), (633, 28259), (1101, 16247), (1477, 12111), (2321, 7707), (2569, 6963), (4037, 4431)]