13984209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 21677760

約数和(自身を除く): 7693551

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 1543, 3021, 4629, 9063, 13887, 29317, 81779, 87951, 245337, 263853, 736011, 1553801, 4661403, 13984209]

約数ペア:

[(1, 13984209), (3, 4661403), (9, 1553801), (19, 736011), (53, 263853), (57, 245337), (159, 87951), (171, 81779), (477, 29317), (1007, 13887), (1543, 9063), (3021, 4629)]