220051377

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89561}}^1$

素因数の和:89590

約数の個数: 32

約数和(自身を含む): 401237760

約数和(自身を除く): 181186383

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 89561, 268683, 626927, 806049, 1164293, 1880781, 2418147, 3492879, 5642343, 8150051, 10478637, 16927029, 24450153, 31435911, 73350459, 220051377]

約数ペア:

[(1, 220051377), (3, 73350459), (7, 31435911), (9, 24450153), (13, 16927029), (21, 10478637), (27, 8150051), (39, 5642343), (63, 3492879), (91, 2418147), (117, 1880781), (189, 1164293), (273, 806049), (351, 626927), (819, 268683), (2457, 89561)]