78776289

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 115745760

約数和(自身を除く): 36969471

約数列:

[1, 3, 9, 107, 179, 321, 457, 537, 963, 1371, 1611, 4113, 19153, 48899, 57459, 81803, 146697, 172377, 245409, 440091, 736227, 8752921, 26258763, 78776289]

約数ペア:

[(1, 78776289), (3, 26258763), (9, 8752921), (107, 736227), (179, 440091), (321, 245409), (457, 172377), (537, 146697), (963, 81803), (1371, 57459), (1611, 48899), (4113, 19153)]