858518439

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 1227663360

約数和(自身を除く): 369144921

約数列:

[1, 3, 19, 57, 71, 213, 307, 691, 921, 1349, 2073, 4047, 5833, 13129, 17499, 21797, 39387, 49061, 65391, 147183, 212137, 414143, 636411, 932159, 1242429, 2796477, 4030603, 12091809, 15061727, 45185181, 286172813, 858518439]

約数ペア:

[(1, 858518439), (3, 286172813), (19, 45185181), (57, 15061727), (71, 12091809), (213, 4030603), (307, 2796477), (691, 1242429), (921, 932159), (1349, 636411), (2073, 414143), (4047, 212137), (5833, 147183), (13129, 65391), (17499, 49061), (21797, 39387)]