260147505

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{18047}}^1$

素因数の和:18117

約数の個数: 24

約数和(自身を含む): 430119936

約数和(自身を除く): 169972431

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 2883, 4805, 14415, 18047, 54141, 90235, 270705, 559457, 1678371, 2797285, 8391855, 17343167, 52029501, 86715835, 260147505]

約数ペア:

[(1, 260147505), (3, 86715835), (5, 52029501), (15, 17343167), (31, 8391855), (93, 2797285), (155, 1678371), (465, 559457), (961, 270705), (2883, 90235), (4805, 54141), (14415, 18047)]