26997309

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 17818371

約数列:

[1, 3, 9, 17, 19, 37, 51, 57, 111, 153, 171, 251, 323, 333, 629, 703, 753, 969, 1887, 2109, 2259, 2907, 4267, 4769, 5661, 6327, 9287, 11951, 12801, 14307, 27861, 35853, 38403, 42921, 81073, 83583, 107559, 157879, 176453, 243219, 473637, 529359, 729657, 1420911, 1588077, 2999701, 8999103, 26997309]

約数ペア:

[(1, 26997309), (3, 8999103), (9, 2999701), (17, 1588077), (19, 1420911), (37, 729657), (51, 529359), (57, 473637), (111, 243219), (153, 176453), (171, 157879), (251, 107559), (323, 83583), (333, 81073), (629, 42921), (703, 38403), (753, 35853), (969, 27861), (1887, 14307), (2109, 12801), (2259, 11951), (2907, 9287), (4267, 6327), (4769, 5661)]