168687681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 248586240

約数和(自身を除く): 79898559

約数列:

[1, 3, 19, 23, 57, 69, 223, 437, 577, 669, 1311, 1731, 4237, 5129, 10963, 12711, 13271, 15387, 32889, 39813, 97451, 128671, 252149, 292353, 386013, 756447, 2444749, 2959433, 7334247, 8878299, 56229227, 168687681]

約数ペア:

[(1, 168687681), (3, 56229227), (19, 8878299), (23, 7334247), (57, 2959433), (69, 2444749), (223, 756447), (437, 386013), (577, 292353), (669, 252149), (1311, 128671), (1731, 97451), (4237, 39813), (5129, 32889), (10963, 15387), (12711, 13271)]