128727255

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 213200064

約数和(自身を除く): 84472809

約数列:

[1, 3, 5, 15, 37, 111, 137, 185, 411, 555, 685, 1693, 2055, 5069, 5079, 8465, 15207, 25345, 25395, 62641, 76035, 187923, 231941, 313205, 695823, 939615, 1159705, 3479115, 8581817, 25745451, 42909085, 128727255]

約数ペア:

[(1, 128727255), (3, 42909085), (5, 25745451), (15, 8581817), (37, 3479115), (111, 1159705), (137, 939615), (185, 695823), (411, 313205), (555, 231941), (685, 187923), (1693, 76035), (2055, 62641), (5069, 25395), (5079, 25345), (8465, 15207)]