1228131

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 1965600

約数和(自身を除く): 737469

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 349, 391, 1047, 1173, 3141, 3519, 5933, 8027, 17799, 24081, 53397, 72243, 136459, 409377, 1228131]

約数ペア:

[(1, 1228131), (3, 409377), (9, 136459), (17, 72243), (23, 53397), (51, 24081), (69, 17799), (153, 8027), (207, 5933), (349, 3519), (391, 3141), (1047, 1173)]