40640049

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 64646400

約数和(自身を除く): 24006351

約数列:

[1, 3, 9, 27, 29, 73, 79, 81, 87, 219, 237, 243, 261, 657, 711, 783, 1971, 2117, 2133, 2291, 2349, 5767, 5913, 6351, 6399, 6873, 7047, 17301, 17739, 19053, 19197, 20619, 51903, 57159, 61857, 155709, 167243, 171477, 185571, 467127, 501729, 514431, 556713, 1401381, 1505187, 4515561, 13546683, 40640049]

約数ペア:

[(1, 40640049), (3, 13546683), (9, 4515561), (27, 1505187), (29, 1401381), (73, 556713), (79, 514431), (81, 501729), (87, 467127), (219, 185571), (237, 171477), (243, 167243), (261, 155709), (657, 61857), (711, 57159), (783, 51903), (1971, 20619), (2117, 19197), (2133, 19053), (2291, 17739), (2349, 17301), (5767, 7047), (5913, 6873), (6351, 6399)]