221785089

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1504

約数の個数: 16

約数和(自身を含む): 298148928

約数和(自身を除く): 76363839

約数列:

[1, 3, 257, 307, 771, 921, 937, 2811, 78899, 236697, 240809, 287659, 722427, 862977, 73928363, 221785089]

約数ペア:

[(1, 221785089), (3, 73928363), (257, 862977), (307, 722427), (771, 287659), (921, 240809), (937, 236697), (2811, 78899)]