66647553

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 104322816

約数和(自身を除く): 37675263

約数列:

[1, 3, 7, 21, 53, 159, 233, 257, 371, 699, 771, 1113, 1631, 1799, 4893, 5397, 12349, 13621, 37047, 40863, 59881, 86443, 95347, 179643, 259329, 286041, 419167, 1257501, 3173693, 9521079, 22215851, 66647553]

約数ペア:

[(1, 66647553), (3, 22215851), (7, 9521079), (21, 3173693), (53, 1257501), (159, 419167), (233, 286041), (257, 259329), (371, 179643), (699, 95347), (771, 86443), (1113, 59881), (1631, 40863), (1799, 37047), (4893, 13621), (5397, 12349)]