75820689

素因数分解:

$3^2\times 7^2\times {\mathrm{171929}}^1$

素因数の和:171949

約数の個数: 18

約数和(自身を含む): 127400130

約数和(自身を除く): 51579441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 171929, 515787, 1203503, 1547361, 3610509, 8424521, 10831527, 25273563, 75820689]

約数ペア:

[(1, 75820689), (3, 25273563), (7, 10831527), (9, 8424521), (21, 3610509), (49, 1547361), (63, 1203503), (147, 515787), (441, 171929)]