7571313

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:666

約数の個数: 20

約数和(自身を含む): 11389488

約数和(自身を除く): 3818175

約数列:

[1, 3, 9, 27, 81, 211, 443, 633, 1329, 1899, 3987, 5697, 11961, 17091, 35883, 93473, 280419, 841257, 2523771, 7571313]

約数ペア:

[(1, 7571313), (3, 2523771), (9, 841257), (27, 280419), (81, 93473), (211, 35883), (443, 17091), (633, 11961), (1329, 5697), (1899, 3987)]