729197903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 955514880

約数和(自身を除く): 226316977

約数列:

[1, 7, 19, 31, 47, 53, 71, 133, 217, 329, 371, 497, 589, 893, 1007, 1349, 1457, 1643, 2201, 2491, 3337, 3763, 4123, 6251, 7049, 9443, 10199, 11501, 15407, 17437, 23359, 26341, 27683, 31217, 41819, 47329, 63403, 71497, 77221, 103447, 116653, 176861, 193781, 218519, 292733, 331303, 443821, 500479, 540547, 724129, 816571, 1238027, 1467199, 1965493, 2216407, 3360359, 5482691, 10270393, 13758451, 15514849, 23522513, 38378837, 104171129, 729197903]

約数ペア:

[(1, 729197903), (7, 104171129), (19, 38378837), (31, 23522513), (47, 15514849), (53, 13758451), (71, 10270393), (133, 5482691), (217, 3360359), (329, 2216407), (371, 1965493), (497, 1467199), (589, 1238027), (893, 816571), (1007, 724129), (1349, 540547), (1457, 500479), (1643, 443821), (2201, 331303), (2491, 292733), (3337, 218519), (3763, 193781), (4123, 176861), (6251, 116653), (7049, 103447), (9443, 77221), (10199, 71497), (11501, 63403), (15407, 47329), (17437, 41819), (23359, 31217), (26341, 27683)]