644801055

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{14767}}^1$

素因数の和:14887

約数の個数: 32

約数和(自身を含む): 1071802368

約数和(自身を除く): 427001313

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 8733, 14555, 14767, 43665, 44301, 73835, 221505, 605447, 1048457, 1816341, 3027235, 3145371, 5242285, 9081705, 15726855, 42986737, 128960211, 214933685, 644801055]

約数ペア:

[(1, 644801055), (3, 214933685), (5, 128960211), (15, 42986737), (41, 15726855), (71, 9081705), (123, 5242285), (205, 3145371), (213, 3027235), (355, 1816341), (615, 1048457), (1065, 605447), (2911, 221505), (8733, 73835), (14555, 44301), (14767, 43665)]