887145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 1772928

約数和(自身を除く): 885783

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 71, 85, 105, 119, 147, 213, 245, 255, 355, 357, 497, 595, 735, 833, 1065, 1207, 1491, 1785, 2485, 2499, 3479, 3621, 4165, 6035, 7455, 8449, 10437, 12495, 17395, 18105, 25347, 42245, 52185, 59143, 126735, 177429, 295715, 887145]

約数ペア:

[(1, 887145), (3, 295715), (5, 177429), (7, 126735), (15, 59143), (17, 52185), (21, 42245), (35, 25347), (49, 18105), (51, 17395), (71, 12495), (85, 10437), (105, 8449), (119, 7455), (147, 6035), (213, 4165), (245, 3621), (255, 3479), (355, 2499), (357, 2485), (497, 1785), (595, 1491), (735, 1207), (833, 1065)]