1317789

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 2358720

約数和(自身を除く): 1040931

約数列:

[1, 3, 9, 11, 17, 27, 29, 33, 51, 81, 87, 99, 153, 187, 243, 261, 297, 319, 459, 493, 561, 783, 891, 957, 1377, 1479, 1683, 2349, 2673, 2871, 4131, 4437, 5049, 5423, 7047, 8613, 13311, 15147, 16269, 25839, 39933, 45441, 48807, 77517, 119799, 146421, 439263, 1317789]

約数ペア:

[(1, 1317789), (3, 439263), (9, 146421), (11, 119799), (17, 77517), (27, 48807), (29, 45441), (33, 39933), (51, 25839), (81, 16269), (87, 15147), (99, 13311), (153, 8613), (187, 7047), (243, 5423), (261, 5049), (297, 4437), (319, 4131), (459, 2871), (493, 2673), (561, 2349), (783, 1683), (891, 1479), (957, 1377)]