25252641

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4474

約数の個数: 20

約数和(自身を含む): 38263104

約数和(自身を除く): 13010463

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4391, 5751, 13173, 39519, 118557, 311761, 355671, 935283, 2805849, 8417547, 25252641]

約数ペア:

[(1, 25252641), (3, 8417547), (9, 2805849), (27, 935283), (71, 355671), (81, 311761), (213, 118557), (639, 39519), (1917, 13173), (4391, 5751)]