51958557

素因数分解:

$3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 88316160

約数和(自身を除く): 36357603

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 421, 653, 1263, 1959, 2947, 3789, 4571, 5877, 8841, 11367, 13713, 17631, 26523, 41139, 79569, 123417, 274913, 824739, 1924391, 2474217, 5773173, 7422651, 17319519, 51958557]

約数ペア:

[(1, 51958557), (3, 17319519), (7, 7422651), (9, 5773173), (21, 2474217), (27, 1924391), (63, 824739), (189, 274913), (421, 123417), (653, 79569), (1263, 41139), (1959, 26523), (2947, 17631), (3789, 13713), (4571, 11367), (5877, 8841)]