2978385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2101935

約数列:

[1, 3, 5, 15, 23, 69, 89, 97, 115, 267, 291, 345, 445, 485, 1335, 1455, 2047, 2231, 6141, 6693, 8633, 10235, 11155, 25899, 30705, 33465, 43165, 129495, 198559, 595677, 992795, 2978385]

約数ペア:

[(1, 2978385), (3, 992795), (5, 595677), (15, 198559), (23, 129495), (69, 43165), (89, 33465), (97, 30705), (115, 25899), (267, 11155), (291, 10235), (345, 8633), (445, 6693), (485, 6141), (1335, 2231), (1455, 2047)]