51221235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 88780608

約数和(自身を除く): 37559373

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 579, 965, 1361, 2509, 2895, 4083, 6805, 7527, 12545, 17693, 20415, 37635, 53079, 88465, 262673, 265395, 788019, 1313365, 3414749, 3940095, 10244247, 17073745, 51221235]

約数ペア:

[(1, 51221235), (3, 17073745), (5, 10244247), (13, 3940095), (15, 3414749), (39, 1313365), (65, 788019), (193, 265395), (195, 262673), (579, 88465), (965, 53079), (1361, 37635), (2509, 20415), (2895, 17693), (4083, 12545), (6805, 7527)]