78857925

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 134991360

約数和(自身を除く): 56133435

約数列:

[1, 3, 5, 15, 25, 59, 71, 75, 177, 213, 251, 295, 355, 753, 885, 1065, 1255, 1475, 1775, 3765, 4189, 4425, 5325, 6275, 12567, 14809, 17821, 18825, 20945, 44427, 53463, 62835, 74045, 89105, 104725, 222135, 267315, 314175, 370225, 445525, 1051439, 1110675, 1336575, 3154317, 5257195, 15771585, 26285975, 78857925]

約数ペア:

[(1, 78857925), (3, 26285975), (5, 15771585), (15, 5257195), (25, 3154317), (59, 1336575), (71, 1110675), (75, 1051439), (177, 445525), (213, 370225), (251, 314175), (295, 267315), (355, 222135), (753, 104725), (885, 89105), (1065, 74045), (1255, 62835), (1475, 53463), (1775, 44427), (3765, 20945), (4189, 18825), (4425, 17821), (5325, 14809), (6275, 12567)]