78863571

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 119398400

約数和(自身を除く): 40534829

約数列:

[1, 3, 9, 27, 109, 127, 211, 327, 381, 633, 981, 1143, 1899, 2943, 3429, 5697, 13843, 22999, 26797, 41529, 68997, 80391, 124587, 206991, 241173, 373761, 620973, 723519, 2920873, 8762619, 26287857, 78863571]

約数ペア:

[(1, 78863571), (3, 26287857), (9, 8762619), (27, 2920873), (109, 723519), (127, 620973), (211, 373761), (327, 241173), (381, 206991), (633, 124587), (981, 80391), (1143, 68997), (1899, 41529), (2943, 26797), (3429, 22999), (5697, 13843)]