140538105

素因数分解:

$3^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 250387200

約数和(自身を除く): 109849095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 647, 1609, 1941, 3235, 4827, 5823, 8045, 9705, 14481, 17469, 24135, 29115, 43443, 72405, 87345, 217215, 1041023, 3123069, 5205115, 9369207, 15615345, 28107621, 46846035, 140538105]

約数ペア:

[(1, 140538105), (3, 46846035), (5, 28107621), (9, 15615345), (15, 9369207), (27, 5205115), (45, 3123069), (135, 1041023), (647, 217215), (1609, 87345), (1941, 72405), (3235, 43443), (4827, 29115), (5823, 24135), (8045, 17469), (9705, 14481)]