438547641

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{150239}}^1$

素因数の和:150388

約数の個数: 16

約数和(自身を含む): 673075200

約数和(自身を除く): 234527559

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 150239, 450717, 1051673, 3155019, 20883221, 62649663, 146182547, 438547641]

約数ペア:

[(1, 438547641), (3, 146182547), (7, 62649663), (21, 20883221), (139, 3155019), (417, 1051673), (973, 450717), (2919, 150239)]