645407193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{13033}}^1$

素因数の和:14024

約数の個数: 16

約数和(自身を含む): 912171456

約数和(自身を除く): 266764263

約数列:

[1, 3, 17, 51, 971, 2913, 13033, 16507, 39099, 49521, 221561, 664683, 12655043, 37965129, 215135731, 645407193]

約数ペア:

[(1, 645407193), (3, 215135731), (17, 37965129), (51, 12655043), (971, 664683), (2913, 221561), (13033, 49521), (16507, 39099)]