66691653

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2833}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 108825600

約数和(自身を除く): 42133947

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 2833, 3363, 7847, 8499, 19831, 23541, 53827, 59493, 161481, 167147, 376789, 501441, 1130367, 1170029, 3175793, 3510087, 9527379, 22230551, 66691653]

約数ペア:

[(1, 66691653), (3, 22230551), (7, 9527379), (19, 3510087), (21, 3175793), (57, 1170029), (59, 1130367), (133, 501441), (177, 376789), (399, 167147), (413, 161481), (1121, 59493), (1239, 53827), (2833, 23541), (3363, 19831), (7847, 8499)]