28660737

素因数分解:

$3^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 46787904

約数和(自身を除く): 18127167

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 173, 343, 483, 519, 1029, 1127, 1211, 2401, 3381, 3633, 3979, 7203, 7889, 8477, 11937, 23667, 25431, 27853, 55223, 59339, 83559, 165669, 178017, 194971, 415373, 584913, 1246119, 1364797, 4094391, 9553579, 28660737]

約数ペア:

[(1, 28660737), (3, 9553579), (7, 4094391), (21, 1364797), (23, 1246119), (49, 584913), (69, 415373), (147, 194971), (161, 178017), (173, 165669), (343, 83559), (483, 59339), (519, 55223), (1029, 27853), (1127, 25431), (1211, 23667), (2401, 11937), (3381, 8477), (3633, 7889), (3979, 7203)]