1621732553

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{4093}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 1956080448

約数和(自身を除く): 334347895

約数列:

[1, 7, 23, 107, 161, 529, 749, 2461, 3703, 4093, 17227, 28651, 56603, 94139, 396221, 437951, 658973, 2165197, 3065657, 10072873, 15156379, 70510111, 231676079, 1621732553]

約数ペア:

[(1, 1621732553), (7, 231676079), (23, 70510111), (107, 15156379), (161, 10072873), (529, 3065657), (749, 2165197), (2461, 658973), (3703, 437951), (4093, 396221), (17227, 94139), (28651, 56603)]