17490639131

素因数分解:

$7^4\times {\mathrm{2161}}^1\times {\mathrm{3371}}^1$

素因数の和:5560

約数の個数: 20

約数和(自身を含む): 20420029464

約数和(自身を除く): 2929390333

約数列:

[1, 7, 49, 343, 2161, 2401, 3371, 15127, 23597, 105889, 165179, 741223, 1156253, 5188561, 7284731, 8093771, 50993117, 356951819, 2498662733, 17490639131]

約数ペア:

[(1, 17490639131), (7, 2498662733), (49, 356951819), (343, 50993117), (2161, 8093771), (2401, 7284731), (3371, 5188561), (15127, 1156253), (23597, 741223), (105889, 165179)]