17178291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 27720000

約数和(自身を除く): 10541709

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 449, 981, 1347, 1417, 2943, 4041, 4251, 5837, 12123, 12753, 17511, 38259, 48941, 52533, 146823, 157599, 440469, 636233, 1321407, 1908699, 5726097, 17178291]

約数ペア:

[(1, 17178291), (3, 5726097), (9, 1908699), (13, 1321407), (27, 636233), (39, 440469), (109, 157599), (117, 146823), (327, 52533), (351, 48941), (449, 38259), (981, 17511), (1347, 12753), (1417, 12123), (2943, 5837), (4041, 4251)]