7397247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 11886336

約数和(自身を除く): 4489089

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 401, 429, 473, 559, 1203, 1419, 1677, 4411, 5213, 6149, 13233, 15639, 17243, 18447, 51729, 57343, 172029, 189673, 224159, 569019, 672477, 2465749, 7397247]

約数ペア:

[(1, 7397247), (3, 2465749), (11, 672477), (13, 569019), (33, 224159), (39, 189673), (43, 172029), (129, 57343), (143, 51729), (401, 18447), (429, 17243), (473, 15639), (559, 13233), (1203, 6149), (1419, 5213), (1677, 4411)]