243744775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{137321}}^1$

素因数の和:137402

約数の個数: 12

約数和(自身を含む): 306502704

約数和(自身を除く): 62757929

約数列:

[1, 5, 25, 71, 355, 1775, 137321, 686605, 3433025, 9749791, 48748955, 243744775]

約数ペア:

[(1, 243744775), (5, 48748955), (25, 9749791), (71, 3433025), (355, 686605), (1775, 137321)]