28072695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15727}}^1$

素因数の和:15759

約数の個数: 32

約数和(自身を含む): 54355968

約数和(自身を除く): 26283273

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 15727, 47181, 78635, 110089, 235905, 267359, 330267, 550445, 802077, 1336795, 1651335, 1871513, 4010385, 5614539, 9357565, 28072695]

約数ペア:

[(1, 28072695), (3, 9357565), (5, 5614539), (7, 4010385), (15, 1871513), (17, 1651335), (21, 1336795), (35, 802077), (51, 550445), (85, 330267), (105, 267359), (119, 235905), (255, 110089), (357, 78635), (595, 47181), (1785, 15727)]