15870345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 26756352

約数和(自身を除く): 10886007

約数列:

[1, 3, 5, 15, 23, 69, 115, 157, 293, 345, 471, 785, 879, 1465, 2355, 3611, 4395, 6739, 10833, 18055, 20217, 33695, 46001, 54165, 101085, 138003, 230005, 690015, 1058023, 3174069, 5290115, 15870345]

約数ペア:

[(1, 15870345), (3, 5290115), (5, 3174069), (15, 1058023), (23, 690015), (69, 230005), (115, 138003), (157, 101085), (293, 54165), (345, 46001), (471, 33695), (785, 20217), (879, 18055), (1465, 10833), (2355, 6739), (3611, 4395)]