17947665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 34117200

約数和(自身を除く): 16169535

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 809, 1305, 1479, 2427, 2465, 4045, 4437, 7281, 7395, 12135, 13753, 22185, 23461, 36405, 41259, 68765, 70383, 117305, 123777, 206295, 211149, 351915, 398837, 618885, 1055745, 1196511, 1994185, 3589533, 5982555, 17947665]

約数ペア:

[(1, 17947665), (3, 5982555), (5, 3589533), (9, 1994185), (15, 1196511), (17, 1055745), (29, 618885), (45, 398837), (51, 351915), (85, 211149), (87, 206295), (145, 123777), (153, 117305), (255, 70383), (261, 68765), (435, 41259), (493, 36405), (765, 23461), (809, 22185), (1305, 13753), (1479, 12135), (2427, 7395), (2465, 7281), (4045, 4437)]