64281021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{133087}}^1$

素因数の和:133120

約数の個数: 16

約数和(自身を含む): 102211584

約数和(自身を除く): 37930563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 133087, 399261, 931609, 2794827, 3061001, 9183003, 21427007, 64281021]

約数ペア:

[(1, 64281021), (3, 21427007), (7, 9183003), (21, 3061001), (23, 2794827), (69, 931609), (161, 399261), (483, 133087)]