78431073

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 124250112

約数和(自身を除く): 45819039

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 1283, 1491, 2911, 3849, 8733, 8981, 20377, 26943, 52603, 61131, 91093, 157809, 273279, 368221, 637651, 1104663, 1912953, 3734813, 11204439, 26143691, 78431073]

約数ペア:

[(1, 78431073), (3, 26143691), (7, 11204439), (21, 3734813), (41, 1912953), (71, 1104663), (123, 637651), (213, 368221), (287, 273279), (497, 157809), (861, 91093), (1283, 61131), (1491, 52603), (2911, 26943), (3849, 20377), (8733, 8981)]