28428225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 54198912

約数和(自身を除く): 25770687

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 173, 175, 313, 519, 525, 865, 939, 1211, 1565, 2191, 2595, 3633, 4325, 4695, 6055, 6573, 7825, 10955, 12975, 18165, 23475, 30275, 32865, 54149, 54775, 90825, 162447, 164325, 270745, 379043, 812235, 1137129, 1353725, 1895215, 4061175, 5685645, 9476075, 28428225]

約数ペア:

[(1, 28428225), (3, 9476075), (5, 5685645), (7, 4061175), (15, 1895215), (21, 1353725), (25, 1137129), (35, 812235), (75, 379043), (105, 270745), (173, 164325), (175, 162447), (313, 90825), (519, 54775), (525, 54149), (865, 32865), (939, 30275), (1211, 23475), (1565, 18165), (2191, 12975), (2595, 10955), (3633, 7825), (4325, 6573), (4695, 6055)]