40120647

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 64811520

約数和(自身を除く): 24690873

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 521, 579, 1351, 1563, 3647, 3667, 4053, 9899, 10941, 11001, 25669, 29697, 69293, 77007, 100553, 207879, 301659, 703871, 1910507, 2111613, 5731521, 13373549, 40120647]

約数ペア:

[(1, 40120647), (3, 13373549), (7, 5731521), (19, 2111613), (21, 1910507), (57, 703871), (133, 301659), (193, 207879), (399, 100553), (521, 77007), (579, 69293), (1351, 29697), (1563, 25669), (3647, 11001), (3667, 10941), (4053, 9899)]