71631819

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3221}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 118621152

約数和(自身を除く): 46989333

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 3221, 7413, 9663, 22239, 22547, 28989, 67641, 202923, 1137013, 3411039, 7959091, 10233117, 23877273, 71631819]

約数ペア:

[(1, 71631819), (3, 23877273), (7, 10233117), (9, 7959091), (21, 3411039), (63, 1137013), (353, 202923), (1059, 67641), (2471, 28989), (3177, 22547), (3221, 22239), (7413, 9663)]