388650717

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52727}}^1$

素因数の和:52759

約数の個数: 40

約数和(自身を含む): 714569856

約数和(自身を除く): 325919139

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 52727, 158181, 369089, 474543, 685451, 1107267, 1423629, 2056353, 3321801, 4270887, 4798157, 6169059, 9965403, 14394471, 18507177, 29896209, 43183413, 55521531, 129550239, 388650717]

約数ペア:

[(1, 388650717), (3, 129550239), (7, 55521531), (9, 43183413), (13, 29896209), (21, 18507177), (27, 14394471), (39, 9965403), (63, 6169059), (81, 4798157), (91, 4270887), (117, 3321801), (189, 2056353), (273, 1423629), (351, 1107267), (567, 685451), (819, 474543), (1053, 369089), (2457, 158181), (7371, 52727)]