221744307

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 317376000

約数和(自身を除く): 95631693

約数列:

[1, 3, 19, 57, 113, 173, 199, 339, 519, 597, 2147, 3287, 3781, 6441, 9861, 11343, 19549, 22487, 34427, 58647, 67461, 103281, 371431, 427253, 654113, 1114293, 1281759, 1962339, 3890251, 11670753, 73914769, 221744307]

約数ペア:

[(1, 221744307), (3, 73914769), (19, 11670753), (57, 3890251), (113, 1962339), (173, 1281759), (199, 1114293), (339, 654113), (519, 427253), (597, 371431), (2147, 103281), (3287, 67461), (3781, 58647), (6441, 34427), (9861, 22487), (11343, 19549)]