131213049

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 201277440

約数和(自身を除く): 70064391

約数列:

[1, 3, 11, 31, 33, 47, 93, 141, 341, 517, 1023, 1457, 1551, 2729, 4371, 8187, 16027, 30019, 48081, 84599, 90057, 128263, 253797, 384789, 930589, 1410893, 2791767, 3976153, 4232679, 11928459, 43737683, 131213049]

約数ペア:

[(1, 131213049), (3, 43737683), (11, 11928459), (31, 4232679), (33, 3976153), (47, 2791767), (93, 1410893), (141, 930589), (341, 384789), (517, 253797), (1023, 128263), (1457, 90057), (1551, 84599), (2729, 48081), (4371, 30019), (8187, 16027)]