127409991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{20507}}^1$

素因数の和:20638

約数の個数: 16

約数和(自身を含む): 180470400

約数和(自身を除く): 53060409

約数列:

[1, 3, 19, 57, 109, 327, 2071, 6213, 20507, 61521, 389633, 1168899, 2235263, 6705789, 42469997, 127409991]

約数ペア:

[(1, 127409991), (3, 42469997), (19, 6705789), (57, 2235263), (109, 1168899), (327, 389633), (2071, 61521), (6213, 20507)]