1808307

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 2830464

約数和(自身を除く): 1022157

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 223, 477, 669, 901, 2007, 2703, 3791, 8109, 11373, 11819, 34119, 35457, 106371, 200923, 602769, 1808307]

約数ペア:

[(1, 1808307), (3, 602769), (9, 200923), (17, 106371), (51, 35457), (53, 34119), (153, 11819), (159, 11373), (223, 8109), (477, 3791), (669, 2703), (901, 2007)]