28109895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170363}}^1$

素因数の和:170382

約数の個数: 16

約数和(自身を含む): 49064832

約数和(自身を除く): 20954937

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170363, 511089, 851815, 1873993, 2555445, 5621979, 9369965, 28109895]

約数ペア:

[(1, 28109895), (3, 9369965), (5, 5621979), (11, 2555445), (15, 1873993), (33, 851815), (55, 511089), (165, 170363)]