243208995

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1741}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 398012160

約数和(自身を除く): 154803165

約数列:

[1, 3, 5, 15, 67, 139, 201, 335, 417, 695, 1005, 1741, 2085, 5223, 8705, 9313, 26115, 27939, 46565, 116647, 139695, 241999, 349941, 583235, 725997, 1209995, 1749705, 3629985, 16213933, 48641799, 81069665, 243208995]

約数ペア:

[(1, 243208995), (3, 81069665), (5, 48641799), (15, 16213933), (67, 3629985), (139, 1749705), (201, 1209995), (335, 725997), (417, 583235), (695, 349941), (1005, 241999), (1741, 139695), (2085, 116647), (5223, 46565), (8705, 27939), (9313, 26115)]