68664105

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9973}}^1$

素因数の和:10007

約数の個数: 40

約数和(自身を含む): 130340232

約数和(自身を除く): 61676127

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9973, 29919, 49865, 89757, 149595, 169541, 269271, 448785, 508623, 807813, 847705, 1346355, 1525869, 2543115, 4039065, 4577607, 7629345, 13732821, 22888035, 68664105]

約数ペア:

[(1, 68664105), (3, 22888035), (5, 13732821), (9, 7629345), (15, 4577607), (17, 4039065), (27, 2543115), (45, 1525869), (51, 1346355), (81, 847705), (85, 807813), (135, 508623), (153, 448785), (255, 269271), (405, 169541), (459, 149595), (765, 89757), (1377, 49865), (2295, 29919), (6885, 9973)]