28197645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15797}}^1$

素因数の和:15829

約数の個数: 32

約数和(自身を含む): 54597888

約数和(自身を除く): 26400243

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 15797, 47391, 78985, 110579, 236955, 268549, 331737, 552895, 805647, 1342745, 1658685, 1879843, 4028235, 5639529, 9399215, 28197645]

約数ペア:

[(1, 28197645), (3, 9399215), (5, 5639529), (7, 4028235), (15, 1879843), (17, 1658685), (21, 1342745), (35, 805647), (51, 552895), (85, 331737), (105, 268549), (119, 236955), (255, 110579), (357, 78985), (595, 47391), (1785, 15797)]