15580565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 25382784

約数和(自身を除く): 9802219

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 283, 385, 455, 605, 715, 847, 1001, 1415, 1573, 1981, 3113, 3679, 4235, 5005, 7865, 9905, 11011, 15565, 18395, 21791, 25753, 34243, 40469, 55055, 108955, 128765, 171215, 202345, 239701, 283283, 445159, 1198505, 1416415, 2225795, 3116113, 15580565]

約数ペア:

[(1, 15580565), (5, 3116113), (7, 2225795), (11, 1416415), (13, 1198505), (35, 445159), (55, 283283), (65, 239701), (77, 202345), (91, 171215), (121, 128765), (143, 108955), (283, 55055), (385, 40469), (455, 34243), (605, 25753), (715, 21791), (847, 18395), (1001, 15565), (1415, 11011), (1573, 9905), (1981, 7865), (3113, 5005), (3679, 4235)]