28947075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13309}}^1$

素因数の和:13351

約数の個数: 24

約数和(自身を含む): 49513200

約数和(自身を除く): 20566125

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13309, 39927, 66545, 199635, 332725, 385961, 998175, 1157883, 1929805, 5789415, 9649025, 28947075]

約数ペア:

[(1, 28947075), (3, 9649025), (5, 5789415), (15, 1929805), (25, 1157883), (29, 998175), (75, 385961), (87, 332725), (145, 199635), (435, 66545), (725, 39927), (2175, 13309)]