288889131

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 412093440

約数和(自身を除く): 123204309

約数列:

[1, 3, 23, 69, 71, 109, 213, 327, 541, 1623, 1633, 2507, 4899, 7521, 7739, 12443, 23217, 37329, 38411, 58969, 115233, 176907, 177997, 533991, 883453, 1356287, 2650359, 4068861, 4186799, 12560397, 96296377, 288889131]

約数ペア:

[(1, 288889131), (3, 96296377), (23, 12560397), (69, 4186799), (71, 4068861), (109, 2650359), (213, 1356287), (327, 883453), (541, 533991), (1623, 177997), (1633, 176907), (2507, 115233), (4899, 58969), (7521, 38411), (7739, 37329), (12443, 23217)]