80521857

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 132375936

約数和(自身を除く): 51854079

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 423, 611, 1053, 1269, 1627, 1833, 3807, 4881, 5499, 14643, 16497, 21151, 43929, 49491, 63453, 76469, 131787, 190359, 229407, 571077, 688221, 994097, 1713231, 2064663, 2982291, 6193989, 8946873, 26840619, 80521857]

約数ペア:

[(1, 80521857), (3, 26840619), (9, 8946873), (13, 6193989), (27, 2982291), (39, 2064663), (47, 1713231), (81, 994097), (117, 688221), (141, 571077), (351, 229407), (423, 190359), (611, 131787), (1053, 76469), (1269, 63453), (1627, 49491), (1833, 43929), (3807, 21151), (4881, 16497), (5499, 14643)]