7872969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 12063744

約数和(自身を除く): 4190775

約数列:

[1, 3, 13, 23, 39, 67, 69, 131, 201, 299, 393, 871, 897, 1541, 1703, 2613, 3013, 4623, 5109, 8777, 9039, 20033, 26331, 39169, 60099, 114101, 117507, 201871, 342303, 605613, 2624323, 7872969]

約数ペア:

[(1, 7872969), (3, 2624323), (13, 605613), (23, 342303), (39, 201871), (67, 117507), (69, 114101), (131, 60099), (201, 39169), (299, 26331), (393, 20033), (871, 9039), (897, 8777), (1541, 5109), (1703, 4623), (2613, 3013)]