239991081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 361791360

約数和(自身を除く): 121800279

約数列:

[1, 3, 11, 33, 41, 89, 123, 267, 451, 979, 1353, 1993, 2937, 3649, 5979, 10947, 21923, 40139, 65769, 81713, 120417, 177377, 245139, 532131, 898843, 1951147, 2696529, 5853441, 7272457, 21817371, 79997027, 239991081]

約数ペア:

[(1, 239991081), (3, 79997027), (11, 21817371), (33, 7272457), (41, 5853441), (89, 2696529), (123, 1951147), (267, 898843), (451, 532131), (979, 245139), (1353, 177377), (1993, 120417), (2937, 81713), (3649, 65769), (5979, 40139), (10947, 21923)]