138440757

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{507109}}^1$

素因数の和:507132

約数の個数: 16

約数和(自身を含む): 227185280

約数和(自身を除く): 88744523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 507109, 1521327, 3549763, 6592417, 10649289, 19777251, 46146919, 138440757]

約数ペア:

[(1, 138440757), (3, 46146919), (7, 19777251), (13, 10649289), (21, 6592417), (39, 3549763), (91, 1521327), (273, 507109)]