28182903

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9007}}^1$

素因数の和:9166

約数の個数: 16

約数和(自身を含む): 43238400

約数和(自身を除く): 15055497

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 9007, 27021, 63049, 189147, 1342043, 4026129, 9394301, 28182903]

約数ペア:

[(1, 28182903), (3, 9394301), (7, 4026129), (21, 1342043), (149, 189147), (447, 63049), (1043, 27021), (3129, 9007)]