204470415

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63997}}^1$

素因数の和:64079

約数の個数: 24

約数和(自身を含む): 359412768

約数和(自身を除く): 154942353

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 63997, 191991, 319985, 575973, 959955, 2879865, 4543787, 13631361, 22718935, 40894083, 68156805, 204470415]

約数ペア:

[(1, 204470415), (3, 68156805), (5, 40894083), (9, 22718935), (15, 13631361), (45, 4543787), (71, 2879865), (213, 959955), (355, 575973), (639, 319985), (1065, 191991), (3195, 63997)]