28729719

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 43195152

約数和(自身を除く): 14465433

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 1217, 2623, 3651, 7869, 10953, 23607, 52331, 74237, 156993, 222711, 470979, 668133, 3192191, 9576573, 28729719]

約数ペア:

[(1, 28729719), (3, 9576573), (9, 3192191), (43, 668133), (61, 470979), (129, 222711), (183, 156993), (387, 74237), (549, 52331), (1217, 23607), (2623, 10953), (3651, 7869)]