128211375

素因数分解:

$3^1\times 5^3\times {\mathrm{229}}^1\times {\mathrm{1493}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 214418880

約数和(自身を除く): 86207505

約数列:

[1, 3, 5, 15, 25, 75, 125, 229, 375, 687, 1145, 1493, 3435, 4479, 5725, 7465, 17175, 22395, 28625, 37325, 85875, 111975, 186625, 341897, 559875, 1025691, 1709485, 5128455, 8547425, 25642275, 42737125, 128211375]

約数ペア:

[(1, 128211375), (3, 42737125), (5, 25642275), (15, 8547425), (25, 5128455), (75, 1709485), (125, 1025691), (229, 559875), (375, 341897), (687, 186625), (1145, 111975), (1493, 85875), (3435, 37325), (4479, 28625), (5725, 22395), (7465, 17175)]