4393389

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 8490720

約数和(自身を除く): 4097331

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 49, 57, 77, 91, 121, 133, 143, 147, 209, 231, 247, 273, 363, 399, 429, 539, 627, 637, 741, 847, 931, 1001, 1463, 1573, 1617, 1729, 1911, 2299, 2541, 2717, 2793, 3003, 4389, 4719, 5187, 5929, 6897, 7007, 8151, 10241, 11011, 12103, 16093, 17787, 19019, 21021, 29887, 30723, 33033, 36309, 48279, 57057, 77077, 89661, 112651, 133133, 209209, 231231, 337953, 399399, 627627, 1464463, 4393389]

約数ペア:

[(1, 4393389), (3, 1464463), (7, 627627), (11, 399399), (13, 337953), (19, 231231), (21, 209209), (33, 133133), (39, 112651), (49, 89661), (57, 77077), (77, 57057), (91, 48279), (121, 36309), (133, 33033), (143, 30723), (147, 29887), (209, 21021), (231, 19019), (247, 17787), (273, 16093), (363, 12103), (399, 11011), (429, 10241), (539, 8151), (627, 7007), (637, 6897), (741, 5929), (847, 5187), (931, 4719), (1001, 4389), (1463, 3003), (1573, 2793), (1617, 2717), (1729, 2541), (1911, 2299)]