51516021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 74511360

約数和(自身を除く): 22995339

約数列:

[1, 3, 23, 43, 69, 97, 129, 179, 291, 537, 989, 2231, 2967, 4117, 4171, 6693, 7697, 12351, 12513, 17363, 23091, 52089, 95933, 177031, 287799, 399349, 531093, 746609, 1198047, 2239827, 17172007, 51516021]

約数ペア:

[(1, 51516021), (3, 17172007), (23, 2239827), (43, 1198047), (69, 746609), (97, 531093), (129, 399349), (179, 287799), (291, 177031), (537, 95933), (989, 52089), (2231, 23091), (2967, 17363), (4117, 12513), (4171, 12351), (6693, 7697)]