61509981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 94187520

約数和(自身を除く): 32677539

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 611, 897, 1081, 1459, 1833, 3243, 4377, 14053, 18967, 33557, 42159, 56901, 68573, 100671, 205719, 436241, 891449, 1308723, 1577179, 2674347, 4731537, 20503327, 61509981]

約数ペア:

[(1, 61509981), (3, 20503327), (13, 4731537), (23, 2674347), (39, 1577179), (47, 1308723), (69, 891449), (141, 436241), (299, 205719), (611, 100671), (897, 68573), (1081, 56901), (1459, 42159), (1833, 33557), (3243, 18967), (4377, 14053)]