856653

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1389888

約数和(自身を除く): 533235

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 361, 399, 791, 1083, 2147, 2373, 2527, 6441, 7581, 15029, 40793, 45087, 122379, 285551, 856653]

約数ペア:

[(1, 856653), (3, 285551), (7, 122379), (19, 45087), (21, 40793), (57, 15029), (113, 7581), (133, 6441), (339, 2527), (361, 2373), (399, 2147), (791, 1083)]