1640609973

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{3109}}^1\times {\mathrm{3449}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 2510703000

約数和(自身を除く): 870093027

約数列:

[1, 3, 9, 17, 51, 153, 3109, 3449, 9327, 10347, 27981, 31041, 52853, 58633, 158559, 175899, 475677, 527697, 10722941, 32168823, 96506469, 182289997, 546869991, 1640609973]

約数ペア:

[(1, 1640609973), (3, 546869991), (9, 182289997), (17, 96506469), (51, 32168823), (153, 10722941), (3109, 527697), (3449, 475677), (9327, 175899), (10347, 158559), (27981, 58633), (31041, 52853)]