18300681

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2617}}^1$

素因数の和:2670

約数の個数: 32

約数和(自身を含む): 31834880

約数和(自身を除く): 13534199

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2617, 6993, 7851, 18319, 23553, 54957, 70659, 96829, 164871, 290487, 494613, 677803, 871461, 2033409, 2614383, 6100227, 18300681]

約数ペア:

[(1, 18300681), (3, 6100227), (7, 2614383), (9, 2033409), (21, 871461), (27, 677803), (37, 494613), (63, 290487), (111, 164871), (189, 96829), (259, 70659), (333, 54957), (777, 23553), (999, 18319), (2331, 7851), (2617, 6993)]