2918449989

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{9871}}^1$

素因数の和:9935

約数の個数: 72

約数和(自身を含む): 5476353792

約数和(自身を除く): 2557903803

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 361, 399, 741, 819, 1083, 1197, 1729, 2223, 2527, 3249, 4693, 5187, 7581, 9871, 14079, 15561, 22743, 29613, 32851, 42237, 69097, 88839, 98553, 128323, 187549, 207291, 295659, 384969, 562647, 621873, 898261, 1154907, 1312843, 1687941, 2438137, 2694783, 3563431, 3938529, 7314411, 8084349, 10690293, 11815587, 17066959, 21943233, 24944017, 32070879, 46324603, 51200877, 74832051, 138973809, 153602631, 224496153, 324272221, 416921427, 972816663, 2918449989]

約数ペア:

[(1, 2918449989), (3, 972816663), (7, 416921427), (9, 324272221), (13, 224496153), (19, 153602631), (21, 138973809), (39, 74832051), (57, 51200877), (63, 46324603), (91, 32070879), (117, 24944017), (133, 21943233), (171, 17066959), (247, 11815587), (273, 10690293), (361, 8084349), (399, 7314411), (741, 3938529), (819, 3563431), (1083, 2694783), (1197, 2438137), (1729, 1687941), (2223, 1312843), (2527, 1154907), (3249, 898261), (4693, 621873), (5187, 562647), (7581, 384969), (9871, 295659), (14079, 207291), (15561, 187549), (22743, 128323), (29613, 98553), (32851, 88839), (42237, 69097)]