217222209

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16319}}^1$

素因数の和:16374

約数の個数: 32

約数和(自身を含む): 352512000

約数和(自身を除く): 135289791

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 4437, 13311, 16319, 48957, 146871, 277423, 440613, 473251, 832269, 1419753, 2496807, 4259259, 7490421, 8045267, 12777777, 24135801, 72407403, 217222209]

約数ペア:

[(1, 217222209), (3, 72407403), (9, 24135801), (17, 12777777), (27, 8045267), (29, 7490421), (51, 4259259), (87, 2496807), (153, 1419753), (261, 832269), (459, 473251), (493, 440613), (783, 277423), (1479, 146871), (4437, 48957), (13311, 16319)]