491159673

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 737771520

約数和(自身を除く): 246611847

約数列:

[1, 3, 9, 27, 127, 227, 381, 631, 681, 1143, 1893, 2043, 3429, 5679, 6129, 17037, 28829, 80137, 86487, 143237, 240411, 259461, 429711, 721233, 778383, 1289133, 2163699, 3867399, 18191099, 54573297, 163719891, 491159673]

約数ペア:

[(1, 491159673), (3, 163719891), (9, 54573297), (27, 18191099), (127, 3867399), (227, 2163699), (381, 1289133), (631, 778383), (681, 721233), (1143, 429711), (1893, 259461), (2043, 240411), (3429, 143237), (5679, 86487), (6129, 80137), (17037, 28829)]