15207972003

素因数分解:

$3^2\times 7^1\times {\mathrm{2791}}^1\times {\mathrm{86491}}^1$

素因数の和:89295

約数の個数: 24

約数和(自身を含む): 25114509056

約数和(自身を除く): 9906537053

約数列:

[1, 3, 7, 9, 21, 63, 2791, 8373, 19537, 25119, 58611, 86491, 175833, 259473, 605437, 778419, 1816311, 5448933, 241396381, 724189143, 1689774667, 2172567429, 5069324001, 15207972003]

約数ペア:

[(1, 15207972003), (3, 5069324001), (7, 2172567429), (9, 1689774667), (21, 724189143), (63, 241396381), (2791, 5448933), (8373, 1816311), (19537, 778419), (25119, 605437), (58611, 259473), (86491, 175833)]