20121385137

素因数分解:

$3^1\times 7^2\times {\mathrm{4561}}^1\times {\mathrm{30011}}^1$

素因数の和:34589

約数の個数: 24

約数和(自身を含む): 31216561632

約数和(自身を除く): 11095176495

約数列:

[1, 3, 7, 21, 49, 147, 4561, 13683, 30011, 31927, 90033, 95781, 210077, 223489, 630231, 670467, 1470539, 4411617, 136880171, 410640513, 958161197, 2874483591, 6707128379, 20121385137]

約数ペア:

[(1, 20121385137), (3, 6707128379), (7, 2874483591), (21, 958161197), (49, 410640513), (147, 136880171), (4561, 4411617), (13683, 1470539), (30011, 670467), (31927, 630231), (90033, 223489), (95781, 210077)]