68912289

素因数分解:

$3^4\times {\mathrm{659}}^1\times {\mathrm{1291}}^1$

素因数の和:1962

約数の個数: 20

約数和(自身を含む): 103179120

約数和(自身を除く): 34266831

約数列:

[1, 3, 9, 27, 81, 659, 1291, 1977, 3873, 5931, 11619, 17793, 34857, 53379, 104571, 850769, 2552307, 7656921, 22970763, 68912289]

約数ペア:

[(1, 68912289), (3, 22970763), (9, 7656921), (27, 2552307), (81, 850769), (659, 104571), (1291, 53379), (1977, 34857), (3873, 17793), (5931, 11619)]