266931

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 465920

約数和(自身を除く): 198989

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 223, 399, 669, 1197, 1561, 2007, 4237, 4683, 12711, 14049, 29659, 38133, 88977, 266931]

約数ペア:

[(1, 266931), (3, 88977), (7, 38133), (9, 29659), (19, 14049), (21, 12711), (57, 4683), (63, 4237), (133, 2007), (171, 1561), (223, 1197), (399, 669)]