81887949

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 144506880

約数和(自身を除く): 62618931

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 127, 143, 167, 297, 351, 381, 429, 501, 1143, 1287, 1397, 1503, 1651, 1837, 2171, 3429, 3861, 4191, 4509, 4953, 5511, 6513, 12573, 14859, 16533, 18161, 19539, 21209, 23881, 37719, 44577, 49599, 54483, 58617, 63627, 71643, 163449, 190881, 214929, 233299, 275717, 490347, 572643, 644787, 699897, 827151, 2099691, 2481453, 3032887, 6299073, 7444359, 9098661, 27295983, 81887949]

約数ペア:

[(1, 81887949), (3, 27295983), (9, 9098661), (11, 7444359), (13, 6299073), (27, 3032887), (33, 2481453), (39, 2099691), (99, 827151), (117, 699897), (127, 644787), (143, 572643), (167, 490347), (297, 275717), (351, 233299), (381, 214929), (429, 190881), (501, 163449), (1143, 71643), (1287, 63627), (1397, 58617), (1503, 54483), (1651, 49599), (1837, 44577), (2171, 37719), (3429, 23881), (3861, 21209), (4191, 19539), (4509, 18161), (4953, 16533), (5511, 14859), (6513, 12573)]