215923785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{186947}}^1$

素因数の和:186973

約数の個数: 32

約数和(自身を含む): 430728192

約数和(自身を除く): 214804407

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 186947, 560841, 934735, 1308629, 2056417, 2804205, 3925887, 6169251, 6543145, 10282085, 14394919, 19629435, 30846255, 43184757, 71974595, 215923785]

約数ペア:

[(1, 215923785), (3, 71974595), (5, 43184757), (7, 30846255), (11, 19629435), (15, 14394919), (21, 10282085), (33, 6543145), (35, 6169251), (55, 3925887), (77, 2804205), (105, 2056417), (165, 1308629), (231, 934735), (385, 560841), (1155, 186947)]