208534725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{132403}}^1$

素因数の和:132426

約数の個数: 36

約数和(自身を含む): 426870496

約数和(自身を除く): 218335771

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 132403, 397209, 662015, 926821, 1191627, 1986045, 2780463, 3310075, 4634105, 5958135, 8341389, 9930225, 13902315, 23170525, 29790675, 41706945, 69511575, 208534725]

約数ペア:

[(1, 208534725), (3, 69511575), (5, 41706945), (7, 29790675), (9, 23170525), (15, 13902315), (21, 9930225), (25, 8341389), (35, 5958135), (45, 4634105), (63, 3310075), (75, 2780463), (105, 1986045), (175, 1191627), (225, 926821), (315, 662015), (525, 397209), (1575, 132403)]