13872831

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5003

約数の個数: 24

約数和(自身を含む): 22654080

約数和(自身を除く): 8781249

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4967, 14901, 34769, 94373, 104307, 243383, 283119, 660611, 730149, 1981833, 4624277, 13872831]

約数ペア:

[(1, 13872831), (3, 4624277), (7, 1981833), (19, 730149), (21, 660611), (49, 283119), (57, 243383), (133, 104307), (147, 94373), (399, 34769), (931, 14901), (2793, 4967)]