51866385

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 85895040

約数和(自身を除く): 34028655

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 829, 1455, 2487, 4145, 4171, 12435, 12513, 20855, 35647, 62565, 80413, 106941, 178235, 241239, 402065, 534705, 1206195, 3457759, 10373277, 17288795, 51866385]

約数ペア:

[(1, 51866385), (3, 17288795), (5, 10373277), (15, 3457759), (43, 1206195), (97, 534705), (129, 402065), (215, 241239), (291, 178235), (485, 106941), (645, 80413), (829, 62565), (1455, 35647), (2487, 20855), (4145, 12513), (4171, 12435)]