211173615

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 391941120

約数和(自身を除く): 180767505

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 67, 111, 135, 185, 201, 333, 335, 555, 603, 631, 999, 1005, 1665, 1809, 1893, 2479, 3015, 3155, 4995, 5679, 7437, 9045, 9465, 12395, 17037, 22311, 23347, 28395, 37185, 42277, 66933, 70041, 85185, 111555, 116735, 126831, 210123, 211385, 334665, 350205, 380493, 630369, 634155, 1050615, 1141479, 1564249, 1902465, 3151845, 4692747, 5707395, 7821245, 14078241, 23463735, 42234723, 70391205, 211173615]

約数ペア:

[(1, 211173615), (3, 70391205), (5, 42234723), (9, 23463735), (15, 14078241), (27, 7821245), (37, 5707395), (45, 4692747), (67, 3151845), (111, 1902465), (135, 1564249), (185, 1141479), (201, 1050615), (333, 634155), (335, 630369), (555, 380493), (603, 350205), (631, 334665), (999, 211385), (1005, 210123), (1665, 126831), (1809, 116735), (1893, 111555), (2479, 85185), (3015, 70041), (3155, 66933), (4995, 42277), (5679, 37185), (7437, 28395), (9045, 23347), (9465, 22311), (12395, 17037)]