133072191

素因数分解:

$3^2\times 7^2\times {\mathrm{301751}}^1$

素因数の和:301771

約数の個数: 18

約数和(自身を含む): 223598232

約数和(自身を除く): 90526041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 301751, 905253, 2112257, 2715759, 6336771, 14785799, 19010313, 44357397, 133072191]

約数ペア:

[(1, 133072191), (3, 44357397), (7, 19010313), (9, 14785799), (21, 6336771), (49, 2715759), (63, 2112257), (147, 905253), (441, 301751)]