26984865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 22283871

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 85, 107, 115, 129, 215, 255, 321, 345, 391, 535, 645, 731, 989, 1173, 1605, 1819, 1955, 2193, 2461, 2967, 3655, 4601, 4945, 5457, 5865, 7383, 9095, 10965, 12305, 13803, 14835, 16813, 23005, 27285, 36915, 41837, 50439, 69015, 78217, 84065, 105823, 125511, 209185, 234651, 252195, 317469, 391085, 529115, 627555, 1173255, 1587345, 1798991, 5396973, 8994955, 26984865]

約数ペア:

[(1, 26984865), (3, 8994955), (5, 5396973), (15, 1798991), (17, 1587345), (23, 1173255), (43, 627555), (51, 529115), (69, 391085), (85, 317469), (107, 252195), (115, 234651), (129, 209185), (215, 125511), (255, 105823), (321, 84065), (345, 78217), (391, 69015), (535, 50439), (645, 41837), (731, 36915), (989, 27285), (1173, 23005), (1605, 16813), (1819, 14835), (1955, 13803), (2193, 12305), (2461, 10965), (2967, 9095), (3655, 7383), (4601, 5865), (4945, 5457)]