205742565

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{217717}}^1$

素因数の和:217738

約数の個数: 32

約数和(自身を含む): 418018560

約数和(自身を除く): 212275995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 217717, 653151, 1088585, 1524019, 1959453, 3265755, 4572057, 5878359, 7620095, 9797265, 13716171, 22860285, 29391795, 41148513, 68580855, 205742565]

約数ペア:

[(1, 205742565), (3, 68580855), (5, 41148513), (7, 29391795), (9, 22860285), (15, 13716171), (21, 9797265), (27, 7620095), (35, 5878359), (45, 4572057), (63, 3265755), (105, 1959453), (135, 1524019), (189, 1088585), (315, 653151), (945, 217717)]