2009655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 3841344

約数和(自身を除く): 1831689

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 71, 85, 111, 153, 185, 213, 255, 333, 355, 555, 629, 639, 765, 1065, 1207, 1665, 1887, 2627, 3145, 3195, 3621, 5661, 6035, 7881, 9435, 10863, 13135, 18105, 23643, 28305, 39405, 44659, 54315, 118215, 133977, 223295, 401931, 669885, 2009655]

約数ペア:

[(1, 2009655), (3, 669885), (5, 401931), (9, 223295), (15, 133977), (17, 118215), (37, 54315), (45, 44659), (51, 39405), (71, 28305), (85, 23643), (111, 18105), (153, 13135), (185, 10863), (213, 9435), (255, 7881), (333, 6035), (355, 5661), (555, 3621), (629, 3195), (639, 3145), (765, 2627), (1065, 1887), (1207, 1665)]