520065321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 745726080

約数和(自身を除く): 225660759

約数列:

[1, 3, 19, 57, 61, 183, 373, 401, 1119, 1159, 1203, 3477, 7087, 7619, 21261, 22753, 22857, 24461, 68259, 73383, 149573, 432307, 448719, 464759, 1296921, 1394277, 2841887, 8525661, 9123953, 27371859, 173355107, 520065321]

約数ペア:

[(1, 520065321), (3, 173355107), (19, 27371859), (57, 9123953), (61, 8525661), (183, 2841887), (373, 1394277), (401, 1296921), (1119, 464759), (1159, 448719), (1203, 432307), (3477, 149573), (7087, 73383), (7619, 68259), (21261, 24461), (22753, 22857)]