78756075

素因数分解:

$3^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1204

約数の個数: 36

約数和(自身を含む): 141540048

約数和(自身を除く): 62783973

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 541, 647, 1623, 1941, 2705, 3235, 4869, 5823, 8115, 9705, 13525, 16175, 24345, 29115, 40575, 48525, 121725, 145575, 350027, 1050081, 1750135, 3150243, 5250405, 8750675, 15751215, 26252025, 78756075]

約数ペア:

[(1, 78756075), (3, 26252025), (5, 15751215), (9, 8750675), (15, 5250405), (25, 3150243), (45, 1750135), (75, 1050081), (225, 350027), (541, 145575), (647, 121725), (1623, 48525), (1941, 40575), (2705, 29115), (3235, 24345), (4869, 16175), (5823, 13525), (8115, 9705)]