7861131

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 12543344

約数和(自身を除く): 4682213

約数列:

[1, 3, 9, 27, 37, 43, 61, 81, 111, 129, 183, 333, 387, 549, 999, 1161, 1591, 1647, 2257, 2623, 2997, 3483, 4773, 4941, 6771, 7869, 14319, 20313, 23607, 42957, 60939, 70821, 97051, 128871, 182817, 212463, 291153, 873459, 2620377, 7861131]

約数ペア:

[(1, 7861131), (3, 2620377), (9, 873459), (27, 291153), (37, 212463), (43, 182817), (61, 128871), (81, 97051), (111, 70821), (129, 60939), (183, 42957), (333, 23607), (387, 20313), (549, 14319), (999, 7869), (1161, 6771), (1591, 4941), (1647, 4773), (2257, 3483), (2623, 2997)]