1906905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 4128768

約数和(自身を除く): 2221863

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 127, 143, 165, 195, 231, 273, 381, 385, 429, 455, 635, 715, 889, 1001, 1155, 1365, 1397, 1651, 1905, 2145, 2667, 3003, 4191, 4445, 4953, 5005, 6985, 8255, 9779, 11557, 13335, 15015, 18161, 20955, 24765, 29337, 34671, 48895, 54483, 57785, 90805, 127127, 146685, 173355, 272415, 381381, 635635, 1906905]

約数ペア:

[(1, 1906905), (3, 635635), (5, 381381), (7, 272415), (11, 173355), (13, 146685), (15, 127127), (21, 90805), (33, 57785), (35, 54483), (39, 48895), (55, 34671), (65, 29337), (77, 24765), (91, 20955), (105, 18161), (127, 15015), (143, 13335), (165, 11557), (195, 9779), (231, 8255), (273, 6985), (381, 5005), (385, 4953), (429, 4445), (455, 4191), (635, 3003), (715, 2667), (889, 2145), (1001, 1905), (1155, 1651), (1365, 1397)]