16980141

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 7856979

約数列:

[1, 3, 23, 43, 59, 69, 97, 129, 177, 291, 989, 1357, 2231, 2537, 2967, 4071, 4171, 5723, 6693, 7611, 12513, 17169, 58351, 95933, 131629, 175053, 246089, 287799, 394887, 738267, 5660047, 16980141]

約数ペア:

[(1, 16980141), (3, 5660047), (23, 738267), (43, 394887), (59, 287799), (69, 246089), (97, 175053), (129, 131629), (177, 95933), (291, 58351), (989, 17169), (1357, 12513), (2231, 7611), (2537, 6693), (2967, 5723), (4071, 4171)]