279531

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:65

約数の個数: 40

約数和(自身を含む): 522720

約数和(自身を除く): 243189

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 51, 63, 81, 87, 119, 153, 189, 203, 261, 357, 459, 493, 567, 609, 783, 1071, 1377, 1479, 1827, 2349, 3213, 3451, 4437, 5481, 9639, 10353, 13311, 16443, 31059, 39933, 93177, 279531]

約数ペア:

[(1, 279531), (3, 93177), (7, 39933), (9, 31059), (17, 16443), (21, 13311), (27, 10353), (29, 9639), (51, 5481), (63, 4437), (81, 3451), (87, 3213), (119, 2349), (153, 1827), (189, 1479), (203, 1377), (261, 1071), (357, 783), (459, 609), (493, 567)]