8728317

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 14143360

約数和(自身を除く): 5415043

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 307, 351, 729, 921, 1053, 2187, 2763, 3159, 3991, 8289, 9477, 11973, 24867, 28431, 35919, 74601, 107757, 223803, 323271, 671409, 969813, 2909439, 8728317]

約数ペア:

[(1, 8728317), (3, 2909439), (9, 969813), (13, 671409), (27, 323271), (39, 223803), (81, 107757), (117, 74601), (243, 35919), (307, 28431), (351, 24867), (729, 11973), (921, 9477), (1053, 8289), (2187, 3991), (2763, 3159)]