213005511

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 321182400

約数和(自身を除く): 108176889

約数列:

[1, 3, 9, 27, 109, 157, 327, 461, 471, 981, 1383, 1413, 2943, 4149, 4239, 12447, 17113, 50249, 51339, 72377, 150747, 154017, 217131, 452241, 462051, 651393, 1356723, 1954179, 7889093, 23667279, 71001837, 213005511]

約数ペア:

[(1, 213005511), (3, 71001837), (9, 23667279), (27, 7889093), (109, 1954179), (157, 1356723), (327, 651393), (461, 462051), (471, 452241), (981, 217131), (1383, 154017), (1413, 150747), (2943, 72377), (4149, 51339), (4239, 50249), (12447, 17113)]