15197905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 19104768

約数和(自身を除く): 3906863

約数列:

[1, 5, 31, 71, 155, 355, 1381, 2201, 6905, 11005, 42811, 98051, 214055, 490255, 3039581, 15197905]

約数ペア:

[(1, 15197905), (5, 3039581), (31, 490255), (71, 214055), (155, 98051), (355, 42811), (1381, 11005), (2201, 6905)]