28896345

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 26140455

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 1399, 2295, 4131, 4197, 6885, 6995, 12591, 20655, 20985, 23783, 37773, 62955, 71349, 113319, 118915, 188865, 214047, 339957, 356745, 566595, 642141, 1070235, 1699785, 1926423, 3210705, 5779269, 9632115, 28896345]

約数ペア:

[(1, 28896345), (3, 9632115), (5, 5779269), (9, 3210705), (15, 1926423), (17, 1699785), (27, 1070235), (45, 642141), (51, 566595), (81, 356745), (85, 339957), (135, 214047), (153, 188865), (243, 118915), (255, 113319), (405, 71349), (459, 62955), (765, 37773), (1215, 23783), (1377, 20985), (1399, 20655), (2295, 12591), (4131, 6995), (4197, 6885)]