229950721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13513}}^1$

素因数の和:13561

約数の個数: 32

約数和(自身を含む): 326930688

約数和(自身を除く): 96979967

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 13513, 17017, 94591, 148643, 175669, 229721, 1040501, 1229683, 1608047, 1932359, 2526931, 2986373, 13526513, 17688517, 20904611, 32850103, 229950721]

約数ペア:

[(1, 229950721), (7, 32850103), (11, 20904611), (13, 17688517), (17, 13526513), (77, 2986373), (91, 2526931), (119, 1932359), (143, 1608047), (187, 1229683), (221, 1040501), (1001, 229721), (1309, 175669), (1547, 148643), (2431, 94591), (13513, 17017)]