1808001

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 3110184

約数和(自身を除く): 1302183

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 101, 117, 153, 221, 303, 351, 459, 663, 909, 1053, 1313, 1377, 1717, 1989, 2727, 3939, 5151, 5967, 8181, 11817, 15453, 17901, 22321, 35451, 46359, 66963, 106353, 139077, 200889, 602667, 1808001]

約数ペア:

[(1, 1808001), (3, 602667), (9, 200889), (13, 139077), (17, 106353), (27, 66963), (39, 46359), (51, 35451), (81, 22321), (101, 17901), (117, 15453), (153, 11817), (221, 8181), (303, 5967), (351, 5151), (459, 3939), (663, 2727), (909, 1989), (1053, 1717), (1313, 1377)]