212971245

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 347203584

約数和(自身を除く): 134232339

約数列:

[1, 3, 5, 15, 71, 213, 311, 355, 643, 933, 1065, 1555, 1929, 3215, 4665, 9645, 22081, 45653, 66243, 110405, 136959, 199973, 228265, 331215, 599919, 684795, 999865, 2999595, 14198083, 42594249, 70990415, 212971245]

約数ペア:

[(1, 212971245), (3, 70990415), (5, 42594249), (15, 14198083), (71, 2999595), (213, 999865), (311, 684795), (355, 599919), (643, 331215), (933, 228265), (1065, 199973), (1555, 136959), (1929, 110405), (3215, 66243), (4665, 45653), (9645, 22081)]