253230555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 448737408

約数和(自身を除く): 195506853

約数列:

[1, 3, 5, 15, 17, 41, 51, 53, 85, 123, 159, 205, 255, 265, 457, 615, 697, 795, 901, 1371, 2091, 2173, 2285, 2703, 3485, 4505, 6519, 6855, 7769, 10455, 10865, 13515, 18737, 23307, 24221, 32595, 36941, 38845, 56211, 72663, 93685, 110823, 116535, 121105, 184705, 281055, 318529, 363315, 411757, 554115, 955587, 993061, 1235271, 1592645, 2058785, 2979183, 4777935, 4965305, 6176355, 14895915, 16882037, 50646111, 84410185, 253230555]

約数ペア:

[(1, 253230555), (3, 84410185), (5, 50646111), (15, 16882037), (17, 14895915), (41, 6176355), (51, 4965305), (53, 4777935), (85, 2979183), (123, 2058785), (159, 1592645), (205, 1235271), (255, 993061), (265, 955587), (457, 554115), (615, 411757), (697, 363315), (795, 318529), (901, 281055), (1371, 184705), (2091, 121105), (2173, 116535), (2285, 110823), (2703, 93685), (3485, 72663), (4505, 56211), (6519, 38845), (6855, 36941), (7769, 32595), (10455, 24221), (10865, 23307), (13515, 18737)]