28863705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8707}}^1$

素因数の和:8745

約数の個数: 32

約数和(自身を含む): 52665984

約数和(自身を除く): 23802279

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8707, 26121, 43535, 113191, 130605, 148019, 339573, 444057, 565955, 740095, 1697865, 1924247, 2220285, 5772741, 9621235, 28863705]

約数ペア:

[(1, 28863705), (3, 9621235), (5, 5772741), (13, 2220285), (15, 1924247), (17, 1697865), (39, 740095), (51, 565955), (65, 444057), (85, 339573), (195, 148019), (221, 130605), (255, 113191), (663, 43535), (1105, 26121), (3315, 8707)]