28965657

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19427}}^1$

素因数の和:19508

約数の個数: 16

約数和(自身を含む): 44762112

約数和(自身を除く): 15796455

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19427, 58281, 135989, 407967, 1379317, 4137951, 9655219, 28965657]

約数ペア:

[(1, 28965657), (3, 9655219), (7, 4137951), (21, 1379317), (71, 407967), (213, 135989), (497, 58281), (1491, 19427)]