12757395

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 25165728

約数和(自身を除く): 12408333

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1021, 1785, 2499, 3063, 4165, 5105, 7147, 12495, 15315, 17357, 21441, 35735, 50029, 52071, 86785, 107205, 121499, 150087, 250145, 260355, 364497, 607495, 750435, 850493, 1822485, 2551479, 4252465, 12757395]

約数ペア:

[(1, 12757395), (3, 4252465), (5, 2551479), (7, 1822485), (15, 850493), (17, 750435), (21, 607495), (35, 364497), (49, 260355), (51, 250145), (85, 150087), (105, 121499), (119, 107205), (147, 86785), (245, 52071), (255, 50029), (357, 35735), (595, 21441), (735, 17357), (833, 15315), (1021, 12495), (1785, 7147), (2499, 5105), (3063, 4165)]