261034275

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 444909024

約数和(自身を除く): 183874749

約数列:

[1, 3, 5, 15, 25, 53, 75, 97, 159, 265, 291, 485, 677, 795, 1325, 1455, 2031, 2425, 3385, 3975, 5141, 7275, 10155, 15423, 16925, 25705, 35881, 50775, 65669, 77115, 107643, 128525, 179405, 197007, 328345, 385575, 538215, 897025, 985035, 1641725, 2691075, 3480457, 4925175, 10441371, 17402285, 52206855, 87011425, 261034275]

約数ペア:

[(1, 261034275), (3, 87011425), (5, 52206855), (15, 17402285), (25, 10441371), (53, 4925175), (75, 3480457), (97, 2691075), (159, 1641725), (265, 985035), (291, 897025), (485, 538215), (677, 385575), (795, 328345), (1325, 197007), (1455, 179405), (2031, 128525), (2425, 107643), (3385, 77115), (3975, 65669), (5141, 50775), (7275, 35881), (10155, 25705), (15423, 16925)]