72521449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5573}}^1$

素因数の和:5617

約数の個数: 24

約数和(自身を含む): 97924032

約数和(自身を除く): 25402583

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 5573, 13013, 39011, 61303, 72449, 429121, 507143, 796939, 941837, 5578573, 6592859, 10360207, 72521449]

約数ペア:

[(1, 72521449), (7, 10360207), (11, 6592859), (13, 5578573), (77, 941837), (91, 796939), (143, 507143), (169, 429121), (1001, 72449), (1183, 61303), (1859, 39011), (5573, 13013)]