1331507943

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 2121292800

約数和(自身を除く): 789784857

約数列:

[1, 3, 9, 27, 29, 43, 71, 87, 129, 213, 261, 387, 557, 639, 783, 1161, 1247, 1671, 1917, 2059, 3053, 3741, 5013, 6177, 9159, 11223, 15039, 16153, 18531, 23951, 27477, 33669, 39547, 48459, 55593, 71853, 82431, 88537, 118641, 145377, 215559, 265611, 355923, 436131, 646677, 694579, 796833, 1067769, 1146863, 1700521, 2083737, 2390499, 3440589, 5101563, 6251211, 10321767, 15304689, 18753633, 30965301, 45914067, 49315109, 147945327, 443835981, 1331507943]

約数ペア:

[(1, 1331507943), (3, 443835981), (9, 147945327), (27, 49315109), (29, 45914067), (43, 30965301), (71, 18753633), (87, 15304689), (129, 10321767), (213, 6251211), (261, 5101563), (387, 3440589), (557, 2390499), (639, 2083737), (783, 1700521), (1161, 1146863), (1247, 1067769), (1671, 796833), (1917, 694579), (2059, 646677), (3053, 436131), (3741, 355923), (5013, 265611), (6177, 215559), (9159, 145377), (11223, 118641), (15039, 88537), (16153, 82431), (18531, 71853), (23951, 55593), (27477, 48459), (33669, 39547)]