12155775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 20434704

約数和(自身を除く): 8278929

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 2657, 4575, 7971, 13285, 39855, 66425, 162077, 199275, 486231, 810385, 2431155, 4051925, 12155775]

約数ペア:

[(1, 12155775), (3, 4051925), (5, 2431155), (15, 810385), (25, 486231), (61, 199275), (75, 162077), (183, 66425), (305, 39855), (915, 13285), (1525, 7971), (2657, 4575)]