72574509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181891}}^1$

素因数の和:181920

約数の個数: 16

約数和(自身を含む): 116410880

約数和(自身を除く): 43836371

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 181891, 545673, 1273237, 3455929, 3819711, 10367787, 24191503, 72574509]

約数ペア:

[(1, 72574509), (3, 24191503), (7, 10367787), (19, 3819711), (21, 3455929), (57, 1273237), (133, 545673), (399, 181891)]