30480037

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 37749888

約数和(自身を除く): 7269851

約数列:

[1, 7, 23, 31, 161, 197, 217, 713, 961, 1379, 4531, 4991, 6107, 6727, 22103, 31717, 42749, 140461, 154721, 189317, 983227, 1325219, 4354291, 30480037]

約数ペア:

[(1, 30480037), (7, 4354291), (23, 1325219), (31, 983227), (161, 189317), (197, 154721), (217, 140461), (713, 42749), (961, 31717), (1379, 22103), (4531, 6727), (4991, 6107)]