164655729

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 298652640

約数和(自身を除く): 133996911

約数列:

[1, 3, 7, 9, 19, 21, 43, 49, 57, 63, 129, 133, 147, 171, 301, 387, 399, 441, 457, 817, 903, 931, 1197, 1371, 2107, 2451, 2709, 2793, 3199, 4113, 5719, 6321, 7353, 8379, 8683, 9597, 17157, 18963, 19651, 22393, 26049, 28791, 40033, 51471, 58953, 60781, 67179, 78147, 120099, 137557, 176859, 182343, 201537, 360297, 373369, 412671, 425467, 547029, 962899, 1120107, 1238013, 1276401, 2613583, 2888697, 3360321, 3829203, 7840749, 8666091, 18295081, 23522247, 54885243, 164655729]

約数ペア:

[(1, 164655729), (3, 54885243), (7, 23522247), (9, 18295081), (19, 8666091), (21, 7840749), (43, 3829203), (49, 3360321), (57, 2888697), (63, 2613583), (129, 1276401), (133, 1238013), (147, 1120107), (171, 962899), (301, 547029), (387, 425467), (399, 412671), (441, 373369), (457, 360297), (817, 201537), (903, 182343), (931, 176859), (1197, 137557), (1371, 120099), (2107, 78147), (2451, 67179), (2709, 60781), (2793, 58953), (3199, 51471), (4113, 40033), (5719, 28791), (6321, 26049), (7353, 22393), (8379, 19651), (8683, 18963), (9597, 17157)]