890303967

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25741}}^1$

素因数の和:25821

約数の個数: 40

約数和(自身を含む): 1544931872

約数和(自身を除く): 654627905

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 3843, 4941, 11529, 25741, 34587, 77223, 180187, 231669, 540561, 695007, 1570201, 1621683, 2085021, 4710603, 4865049, 10991407, 14131809, 14595147, 32974221, 42395427, 98922663, 127186281, 296767989, 890303967]

約数ペア:

[(1, 890303967), (3, 296767989), (7, 127186281), (9, 98922663), (21, 42395427), (27, 32974221), (61, 14595147), (63, 14131809), (81, 10991407), (183, 4865049), (189, 4710603), (427, 2085021), (549, 1621683), (567, 1570201), (1281, 695007), (1647, 540561), (3843, 231669), (4941, 180187), (11529, 77223), (25741, 34587)]