291539697

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 427680000

約数和(自身を除く): 136140303

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 667, 1219, 1537, 2001, 2749, 3657, 4611, 8247, 35351, 63227, 79721, 106053, 145697, 189681, 239163, 437091, 1833583, 3351031, 4225213, 5500749, 10053093, 12675639, 97179899, 291539697]

約数ペア:

[(1, 291539697), (3, 97179899), (23, 12675639), (29, 10053093), (53, 5500749), (69, 4225213), (87, 3351031), (159, 1833583), (667, 437091), (1219, 239163), (1537, 189681), (2001, 145697), (2749, 106053), (3657, 79721), (4611, 63227), (8247, 35351)]