71329653

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 110119680

約数和(自身を除く): 38790027

約数列:

[1, 3, 9, 27, 71, 79, 81, 157, 213, 237, 471, 639, 711, 1413, 1917, 2133, 4239, 5609, 5751, 6399, 11147, 12403, 12717, 16827, 33441, 37209, 50481, 100323, 111627, 151443, 300969, 334881, 454329, 880613, 902907, 1004643, 2641839, 7925517, 23776551, 71329653]

約数ペア:

[(1, 71329653), (3, 23776551), (9, 7925517), (27, 2641839), (71, 1004643), (79, 902907), (81, 880613), (157, 454329), (213, 334881), (237, 300969), (471, 151443), (639, 111627), (711, 100323), (1413, 50481), (1917, 37209), (2133, 33441), (4239, 16827), (5609, 12717), (5751, 12403), (6399, 11147)]