1668303

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 3128160

約数和(自身を除く): 1459857

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 97, 117, 147, 189, 273, 291, 351, 441, 637, 679, 819, 873, 1261, 1323, 1911, 2037, 2457, 2619, 3783, 4753, 5733, 6111, 8827, 11349, 14259, 17199, 18333, 26481, 34047, 42777, 61789, 79443, 128331, 185367, 238329, 556101, 1668303]

約数ペア:

[(1, 1668303), (3, 556101), (7, 238329), (9, 185367), (13, 128331), (21, 79443), (27, 61789), (39, 42777), (49, 34047), (63, 26481), (91, 18333), (97, 17199), (117, 14259), (147, 11349), (189, 8827), (273, 6111), (291, 5733), (351, 4753), (441, 3783), (637, 2619), (679, 2457), (819, 2037), (873, 1911), (1261, 1323)]