71708805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1913}}^1$

素因数の和:1955

約数の個数: 72

約数和(自身を含む): 153173592

約数和(自身を除く): 81464787

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 1913, 2205, 2499, 4165, 5355, 5739, 7497, 9565, 12495, 13391, 17217, 28695, 32521, 37485, 40173, 66955, 86085, 93737, 97563, 120519, 162605, 200865, 227647, 281211, 292689, 468685, 487815, 602595, 682941, 843633, 1138235, 1406055, 1463445, 1593529, 2048823, 3414705, 4218165, 4780587, 7967645, 10244115, 14341761, 23902935, 71708805]

約数ペア:

[(1, 71708805), (3, 23902935), (5, 14341761), (7, 10244115), (9, 7967645), (15, 4780587), (17, 4218165), (21, 3414705), (35, 2048823), (45, 1593529), (49, 1463445), (51, 1406055), (63, 1138235), (85, 843633), (105, 682941), (119, 602595), (147, 487815), (153, 468685), (245, 292689), (255, 281211), (315, 227647), (357, 200865), (441, 162605), (595, 120519), (735, 97563), (765, 93737), (833, 86085), (1071, 66955), (1785, 40173), (1913, 37485), (2205, 32521), (2499, 28695), (4165, 17217), (5355, 13391), (5739, 12495), (7497, 9565)]