1388791323

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{3019}}^1$

素因数の和:3751

約数の個数: 24

約数和(自身を含む): 2035238400

約数和(自身を除く): 646447077

約数列:

[1, 3, 9, 79, 237, 647, 711, 1941, 3019, 5823, 9057, 27171, 51113, 153339, 238501, 460017, 715503, 1953293, 2146509, 5859879, 17579637, 154310147, 462930441, 1388791323]

約数ペア:

[(1, 1388791323), (3, 462930441), (9, 154310147), (79, 17579637), (237, 5859879), (647, 2146509), (711, 1953293), (1941, 715503), (3019, 460017), (5823, 238501), (9057, 153339), (27171, 51113)]