15537981

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 21212928

約数和(自身を除く): 5674947

約数列:

[1, 3, 61, 183, 197, 431, 591, 1293, 12017, 26291, 36051, 78873, 84907, 254721, 5179327, 15537981]

約数ペア:

[(1, 15537981), (3, 5179327), (61, 254721), (183, 84907), (197, 78873), (431, 36051), (591, 26291), (1293, 12017)]