201990512913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1\times {\mathrm{53633}}^1$

素因数の和:63101

約数の個数: 32

約数和(自身を含む): 324035174400

約数和(自身を除く): 122044661487

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 9439, 28317, 53633, 66073, 160899, 179341, 198219, 375431, 538023, 1019027, 1126293, 1255387, 3057081, 3766161, 7133189, 21399567, 506241887, 1518725661, 3543693209, 9618595853, 10631079627, 28855787559, 67330170971, 201990512913]

約数ペア:

[(1, 201990512913), (3, 67330170971), (7, 28855787559), (19, 10631079627), (21, 9618595853), (57, 3543693209), (133, 1518725661), (399, 506241887), (9439, 21399567), (28317, 7133189), (53633, 3766161), (66073, 3057081), (160899, 1255387), (179341, 1126293), (198219, 1019027), (375431, 538023)]