61217221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 74995200

約数和(自身を除く): 13777979

約数列:

[1, 13, 17, 19, 61, 221, 239, 247, 323, 793, 1037, 1159, 3107, 4063, 4199, 4541, 13481, 14579, 15067, 19703, 52819, 59033, 77197, 189527, 247843, 256139, 277001, 1003561, 3221959, 3601013, 4709017, 61217221]

約数ペア:

[(1, 61217221), (13, 4709017), (17, 3601013), (19, 3221959), (61, 1003561), (221, 277001), (239, 256139), (247, 247843), (323, 189527), (793, 77197), (1037, 59033), (1159, 52819), (3107, 19703), (4063, 15067), (4199, 14579), (4541, 13481)]