248857425

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{8443}}^1$

素因数の和:8590

約数の個数: 36

約数和(自身を含む): 449187024

約数和(自身を除く): 200329599

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 3275, 5895, 8443, 9825, 25329, 29475, 42215, 75987, 126645, 211075, 379935, 633225, 1106033, 1899675, 3318099, 5530165, 9954297, 16590495, 27650825, 49771485, 82952475, 248857425]

約数ペア:

[(1, 248857425), (3, 82952475), (5, 49771485), (9, 27650825), (15, 16590495), (25, 9954297), (45, 5530165), (75, 3318099), (131, 1899675), (225, 1106033), (393, 633225), (655, 379935), (1179, 211075), (1965, 126645), (3275, 75987), (5895, 42215), (8443, 29475), (9825, 25329)]