73400439

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 119439360

約数和(自身を除く): 46038921

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2591, 4047, 7773, 9443, 18137, 28329, 49229, 54411, 147687, 183961, 344603, 551883, 1033809, 1287727, 3495259, 3863181, 10485777, 24466813, 73400439]

約数ペア:

[(1, 73400439), (3, 24466813), (7, 10485777), (19, 3863181), (21, 3495259), (57, 1287727), (71, 1033809), (133, 551883), (213, 344603), (399, 183961), (497, 147687), (1349, 54411), (1491, 49229), (2591, 28329), (4047, 18137), (7773, 9443)]