2748757641

素因数分解:

$3^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{128201}}^1$

素因数の和:129232

約数の個数: 16

約数和(自身を含む): 4192718208

約数和(自身を除く): 1443960567

約数列:

[1, 3, 7, 21, 1021, 3063, 7147, 21441, 128201, 384603, 897407, 2692221, 130893221, 392679663, 916252547, 2748757641]

約数ペア:

[(1, 2748757641), (3, 916252547), (7, 392679663), (21, 130893221), (1021, 2692221), (3063, 897407), (7147, 384603), (21441, 128201)]