28671981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 14510739

約数列:

[1, 3, 13, 29, 39, 87, 101, 251, 303, 377, 753, 1131, 1313, 2929, 3263, 3939, 7279, 8787, 9789, 21837, 25351, 38077, 76053, 94627, 114231, 283881, 329563, 735179, 988689, 2205537, 9557327, 28671981]

約数ペア:

[(1, 28671981), (3, 9557327), (13, 2205537), (29, 988689), (39, 735179), (87, 329563), (101, 283881), (251, 114231), (303, 94627), (377, 76053), (753, 38077), (1131, 25351), (1313, 21837), (2929, 9789), (3263, 8787), (3939, 7279)]