81603495

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25541}}^1$

素因数の和:25623

約数の個数: 24

約数和(自身を含む): 143443872

約数和(自身を除く): 61840377

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 25541, 76623, 127705, 229869, 383115, 1149345, 1813411, 5440233, 9067055, 16320699, 27201165, 81603495]

約数ペア:

[(1, 81603495), (3, 27201165), (5, 16320699), (9, 9067055), (15, 5440233), (45, 1813411), (71, 1149345), (213, 383115), (355, 229869), (639, 127705), (1065, 76623), (3195, 25541)]