261690627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149623}}^1$

素因数の和:149690

約数の個数: 16

約数和(自身を含む): 387825408

約数和(自身を除く): 126134781

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 149623, 448869, 1645853, 4937559, 7930019, 23790057, 87230209, 261690627]

約数ペア:

[(1, 261690627), (3, 87230209), (11, 23790057), (33, 7930019), (53, 4937559), (159, 1645853), (583, 448869), (1749, 149623)]