28994817

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 13398783

約数列:

[1, 3, 19, 47, 57, 79, 137, 141, 237, 411, 893, 1501, 2603, 2679, 3713, 4503, 6439, 7809, 10823, 11139, 19317, 32469, 70547, 122341, 205637, 211641, 367023, 508681, 616911, 1526043, 9664939, 28994817]

約数ペア:

[(1, 28994817), (3, 9664939), (19, 1526043), (47, 616911), (57, 508681), (79, 367023), (137, 211641), (141, 205637), (237, 122341), (411, 70547), (893, 32469), (1501, 19317), (2603, 11139), (2679, 10823), (3713, 7809), (4503, 6439)]