2945817

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2445543

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 107, 133, 161, 171, 207, 321, 399, 437, 483, 749, 963, 1197, 1311, 1449, 2033, 2247, 2461, 3059, 3933, 6099, 6741, 7383, 9177, 14231, 17227, 18297, 22149, 27531, 42693, 46759, 51681, 128079, 140277, 155043, 327313, 420831, 981939, 2945817]

約数ペア:

[(1, 2945817), (3, 981939), (7, 420831), (9, 327313), (19, 155043), (21, 140277), (23, 128079), (57, 51681), (63, 46759), (69, 42693), (107, 27531), (133, 22149), (161, 18297), (171, 17227), (207, 14231), (321, 9177), (399, 7383), (437, 6741), (483, 6099), (749, 3933), (963, 3059), (1197, 2461), (1311, 2247), (1449, 2033)]