201521091

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1\times {\mathrm{1931}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 275425920

約数和(自身を除く): 73904829

約数列:

[1, 3, 43, 129, 809, 1931, 2427, 5793, 34787, 83033, 104361, 249099, 1562179, 4686537, 67173697, 201521091]

約数ペア:

[(1, 201521091), (3, 67173697), (43, 4686537), (129, 1562179), (809, 249099), (1931, 104361), (2427, 83033), (5793, 34787)]