28190493

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 42017976

約数和(自身を除く): 13827483

約数列:

[1, 3, 9, 41, 123, 241, 317, 369, 723, 951, 2169, 2853, 9881, 12997, 29643, 38991, 76397, 88929, 116973, 229191, 687573, 3132277, 9396831, 28190493]

約数ペア:

[(1, 28190493), (3, 9396831), (9, 3132277), (41, 687573), (123, 229191), (241, 116973), (317, 88929), (369, 76397), (723, 38991), (951, 29643), (2169, 12997), (2853, 9881)]