81137115

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{48731}}^1$

素因数の和:48779

約数の個数: 24

約数和(自身を含む): 144441648

約数和(自身を除く): 63304533

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 48731, 146193, 243655, 438579, 730965, 1803047, 2192895, 5409141, 9015235, 16227423, 27045705, 81137115]

約数ペア:

[(1, 81137115), (3, 27045705), (5, 16227423), (9, 9015235), (15, 5409141), (37, 2192895), (45, 1803047), (111, 730965), (185, 438579), (333, 243655), (555, 146193), (1665, 48731)]