128273475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1747}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 234092160

約数和(自身を除く): 105818685

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 165, 267, 275, 445, 825, 979, 1335, 1747, 2225, 2937, 4895, 5241, 6675, 8735, 14685, 19217, 24475, 26205, 43675, 57651, 73425, 96085, 131025, 155483, 288255, 466449, 480425, 777415, 1441275, 1710313, 2332245, 3887075, 5130939, 8551565, 11661225, 25654695, 42757825, 128273475]

約数ペア:

[(1, 128273475), (3, 42757825), (5, 25654695), (11, 11661225), (15, 8551565), (25, 5130939), (33, 3887075), (55, 2332245), (75, 1710313), (89, 1441275), (165, 777415), (267, 480425), (275, 466449), (445, 288255), (825, 155483), (979, 131025), (1335, 96085), (1747, 73425), (2225, 57651), (2937, 43675), (4895, 26205), (5241, 24475), (6675, 19217), (8735, 14685)]