201421731

素因数分解:

$3^1\times 7^1\times {\mathrm{2251}}^1\times {\mathrm{4261}}^1$

素因数の和:6522

約数の個数: 16

約数和(自身を含む): 307136768

約数和(自身を除く): 105715037

約数列:

[1, 3, 7, 21, 2251, 4261, 6753, 12783, 15757, 29827, 47271, 89481, 9591511, 28774533, 67140577, 201421731]

約数ペア:

[(1, 201421731), (3, 67140577), (7, 28774533), (21, 9591511), (2251, 89481), (4261, 47271), (6753, 29827), (12783, 15757)]