13378275

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1660

約数の個数: 36

約数和(自身を含む): 24624912

約数和(自身を除く): 11246637

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1607, 1665, 2775, 4821, 8035, 8325, 14463, 24105, 40175, 59459, 72315, 120525, 178377, 297295, 361575, 535131, 891885, 1486475, 2675655, 4459425, 13378275]

約数ペア:

[(1, 13378275), (3, 4459425), (5, 2675655), (9, 1486475), (15, 891885), (25, 535131), (37, 361575), (45, 297295), (75, 178377), (111, 120525), (185, 72315), (225, 59459), (333, 40175), (555, 24105), (925, 14463), (1607, 8325), (1665, 8035), (2775, 4821)]