128255655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4951}}^1$

素因数の和:5127

約数の個数: 32

約数和(自身を含む): 225335808

約数和(自身を除く): 97080153

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 785, 1727, 2355, 4951, 5181, 8635, 14853, 24755, 25905, 54461, 74265, 163383, 272305, 777307, 816915, 2331921, 3886535, 8550377, 11659605, 25651131, 42751885, 128255655]

約数ペア:

[(1, 128255655), (3, 42751885), (5, 25651131), (11, 11659605), (15, 8550377), (33, 3886535), (55, 2331921), (157, 816915), (165, 777307), (471, 272305), (785, 163383), (1727, 74265), (2355, 54461), (4951, 25905), (5181, 24755), (8635, 14853)]