312939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 514800

約数和(自身を除く): 201861

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 109, 261, 319, 327, 957, 981, 1199, 2871, 3161, 3597, 9483, 10791, 28449, 34771, 104313, 312939]

約数ペア:

[(1, 312939), (3, 104313), (9, 34771), (11, 28449), (29, 10791), (33, 9483), (87, 3597), (99, 3161), (109, 2871), (261, 1199), (319, 981), (327, 957)]