57251313

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 103680000

約数和(自身を除く): 46428687

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 107, 133, 149, 171, 189, 321, 399, 447, 513, 749, 963, 1043, 1197, 1341, 2033, 2247, 2831, 2889, 3129, 3591, 4023, 6099, 6741, 8493, 9387, 14231, 15943, 18297, 19817, 20223, 25479, 28161, 42693, 47829, 54891, 59451, 76437, 111601, 128079, 143487, 178353, 302917, 334803, 384237, 430461, 535059, 908751, 1004409, 2120419, 2726253, 3013227, 6361257, 8178759, 19083771, 57251313]

約数ペア:

[(1, 57251313), (3, 19083771), (7, 8178759), (9, 6361257), (19, 3013227), (21, 2726253), (27, 2120419), (57, 1004409), (63, 908751), (107, 535059), (133, 430461), (149, 384237), (171, 334803), (189, 302917), (321, 178353), (399, 143487), (447, 128079), (513, 111601), (749, 76437), (963, 59451), (1043, 54891), (1197, 47829), (1341, 42693), (2033, 28161), (2247, 25479), (2831, 20223), (2889, 19817), (3129, 18297), (3591, 15943), (4023, 14231), (6099, 9387), (6741, 8493)]