68991435

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1823}}^1$

素因数の和:1892

約数の個数: 36

約数和(自身を含む): 123918912

約数和(自身を除く): 54927477

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 841, 1305, 1823, 2523, 4205, 5469, 7569, 9115, 12615, 16407, 27345, 37845, 52867, 82035, 158601, 264335, 475803, 793005, 1533143, 2379015, 4599429, 7665715, 13798287, 22997145, 68991435]

約数ペア:

[(1, 68991435), (3, 22997145), (5, 13798287), (9, 7665715), (15, 4599429), (29, 2379015), (45, 1533143), (87, 793005), (145, 475803), (261, 264335), (435, 158601), (841, 82035), (1305, 52867), (1823, 37845), (2523, 27345), (4205, 16407), (5469, 12615), (7569, 9115)]