28111215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170371}}^1$

素因数の和:170390

約数の個数: 16

約数和(自身を含む): 49067136

約数和(自身を除く): 20955921

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170371, 511113, 851855, 1874081, 2555565, 5622243, 9370405, 28111215]

約数ペア:

[(1, 28111215), (3, 9370405), (5, 5622243), (11, 2555565), (15, 1874081), (33, 851855), (55, 511113), (165, 170371)]