172042239

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 243809280

約数和(自身を除く): 71767041

約数列:

[1, 3, 29, 73, 87, 103, 219, 263, 309, 789, 2117, 2987, 6351, 7519, 7627, 8961, 19199, 22557, 22881, 27089, 57597, 81267, 218051, 556771, 654153, 785581, 1670313, 1977497, 2356743, 5932491, 57347413, 172042239]

約数ペア:

[(1, 172042239), (3, 57347413), (29, 5932491), (73, 2356743), (87, 1977497), (103, 1670313), (219, 785581), (263, 654153), (309, 556771), (789, 218051), (2117, 81267), (2987, 57597), (6351, 27089), (7519, 22881), (7627, 22557), (8961, 19199)]