245394513

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2909}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 440643840

約数和(自身を除く): 195249327

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 273, 309, 721, 819, 927, 1339, 2163, 2909, 4017, 6489, 8727, 9373, 12051, 20363, 26181, 28119, 37817, 61089, 84357, 113451, 183267, 264719, 299627, 340353, 794157, 898881, 2097389, 2382471, 2696643, 3895151, 6292167, 11685453, 18876501, 27266057, 35056359, 81798171, 245394513]

約数ペア:

[(1, 245394513), (3, 81798171), (7, 35056359), (9, 27266057), (13, 18876501), (21, 11685453), (39, 6292167), (63, 3895151), (91, 2696643), (103, 2382471), (117, 2097389), (273, 898881), (309, 794157), (721, 340353), (819, 299627), (927, 264719), (1339, 183267), (2163, 113451), (2909, 84357), (4017, 61089), (6489, 37817), (8727, 28119), (9373, 26181), (12051, 20363)]