1387490055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{281153}}^1$

素因数の和:281215

約数の個数: 32

約数和(自身を含む): 2591115264

約数和(自身を除く): 1203625209

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 281153, 843459, 1405765, 1968071, 4217295, 5904213, 9840355, 13214191, 29521065, 39642573, 66070955, 92499337, 198212865, 277498011, 462496685, 1387490055]

約数ペア:

[(1, 1387490055), (3, 462496685), (5, 277498011), (7, 198212865), (15, 92499337), (21, 66070955), (35, 39642573), (47, 29521065), (105, 13214191), (141, 9840355), (235, 5904213), (329, 4217295), (705, 1968071), (987, 1405765), (1645, 843459), (4935, 281153)]