39578931

素因数分解:

$3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{971}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 65505024

約数和(自身を除く): 25926093

約数列:

[1, 3, 7, 9, 21, 63, 647, 971, 1941, 2913, 4529, 5823, 6797, 8739, 13587, 20391, 40761, 61173, 628237, 1884711, 4397659, 5654133, 13192977, 39578931]

約数ペア:

[(1, 39578931), (3, 13192977), (7, 5654133), (9, 4397659), (21, 1884711), (63, 628237), (647, 61173), (971, 40761), (1941, 20391), (2913, 13587), (4529, 8739), (5823, 6797)]