2009402721

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 3127138560

約数和(自身を除く): 1117735839

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 313, 783, 911, 939, 2349, 2733, 2817, 7047, 8199, 8451, 9077, 24597, 25353, 26419, 27231, 73791, 76059, 79257, 81693, 221373, 237771, 245079, 285143, 713313, 735237, 855429, 2139939, 2205711, 2566287, 6419817, 7698861, 8269147, 23096583, 24807441, 69289749, 74422323, 223266969, 669800907, 2009402721]

約数ペア:

[(1, 2009402721), (3, 669800907), (9, 223266969), (27, 74422323), (29, 69289749), (81, 24807441), (87, 23096583), (243, 8269147), (261, 7698861), (313, 6419817), (783, 2566287), (911, 2205711), (939, 2139939), (2349, 855429), (2733, 735237), (2817, 713313), (7047, 285143), (8199, 245079), (8451, 237771), (9077, 221373), (24597, 81693), (25353, 79257), (26419, 76059), (27231, 73791)]