217774305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{230449}}^1$

素因数の和:230470

約数の個数: 32

約数和(自身を含む): 442464000

約数和(自身を除く): 224689695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 230449, 691347, 1152245, 1613143, 2074041, 3456735, 4839429, 6222123, 8065715, 10370205, 14518287, 24197145, 31110615, 43554861, 72591435, 217774305]

約数ペア:

[(1, 217774305), (3, 72591435), (5, 43554861), (7, 31110615), (9, 24197145), (15, 14518287), (21, 10370205), (27, 8065715), (35, 6222123), (45, 4839429), (63, 3456735), (105, 2074041), (135, 1613143), (189, 1152245), (315, 691347), (945, 230449)]