15985437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 8400099

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 251, 299, 753, 897, 923, 1633, 2769, 3263, 4899, 5773, 9789, 17319, 17821, 21229, 53463, 63687, 75049, 225147, 231673, 409883, 695019, 1229649, 5328479, 15985437]

約数ペア:

[(1, 15985437), (3, 5328479), (13, 1229649), (23, 695019), (39, 409883), (69, 231673), (71, 225147), (213, 75049), (251, 63687), (299, 53463), (753, 21229), (897, 17821), (923, 17319), (1633, 9789), (2769, 5773), (3263, 4899)]