205994025

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{4339}}^1$

素因数の和:4566

約数の個数: 36

約数和(自身を含む): 370792240

約数和(自身を除く): 164798215

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1899, 3165, 4339, 5275, 9495, 13017, 15825, 21695, 39051, 47475, 65085, 108475, 195255, 325425, 915529, 976275, 2746587, 4577645, 8239761, 13732935, 22888225, 41198805, 68664675, 205994025]

約数ペア:

[(1, 205994025), (3, 68664675), (5, 41198805), (9, 22888225), (15, 13732935), (25, 8239761), (45, 4577645), (75, 2746587), (211, 976275), (225, 915529), (633, 325425), (1055, 195255), (1899, 108475), (3165, 65085), (4339, 47475), (5275, 39051), (9495, 21695), (13017, 15825)]