3889995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 6580992

約数和(自身を除く): 2690997

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 163, 185, 215, 489, 555, 645, 815, 1591, 2445, 4773, 6031, 7009, 7955, 18093, 21027, 23865, 30155, 35045, 90465, 105135, 259333, 777999, 1296665, 3889995]

約数ペア:

[(1, 3889995), (3, 1296665), (5, 777999), (15, 259333), (37, 105135), (43, 90465), (111, 35045), (129, 30155), (163, 23865), (185, 21027), (215, 18093), (489, 7955), (555, 7009), (645, 6031), (815, 4773), (1591, 2445)]