208055871

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 36

約数和(自身を含む): 328689400

約数和(自身を除く): 120633529

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 1669, 2187, 4617, 5007, 6561, 13851, 15021, 31711, 41553, 45063, 95133, 124659, 135189, 285399, 405567, 856197, 1216701, 2568591, 3650103, 7705773, 10950309, 23117319, 69351957, 208055871]

約数ペア:

[(1, 208055871), (3, 69351957), (9, 23117319), (19, 10950309), (27, 7705773), (57, 3650103), (81, 2568591), (171, 1216701), (243, 856197), (513, 405567), (729, 285399), (1539, 135189), (1669, 124659), (2187, 95133), (4617, 45063), (5007, 41553), (6561, 31711), (13851, 15021)]