28646385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 48964608

約数和(自身を除く): 20318223

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1931, 2967, 4945, 5793, 9655, 14835, 28965, 44413, 83033, 133239, 222065, 249099, 415165, 666195, 1245495, 1909759, 5729277, 9548795, 28646385]

約数ペア:

[(1, 28646385), (3, 9548795), (5, 5729277), (15, 1909759), (23, 1245495), (43, 666195), (69, 415165), (115, 249099), (129, 222065), (215, 133239), (345, 83033), (645, 44413), (989, 28965), (1931, 14835), (2967, 9655), (4945, 5793)]