31484595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 56733696

約数和(自身を除く): 25249101

約数列:

[1, 3, 5, 15, 17, 37, 47, 51, 71, 85, 111, 141, 185, 213, 235, 255, 355, 555, 629, 705, 799, 1065, 1207, 1739, 1887, 2397, 2627, 3145, 3337, 3621, 3995, 5217, 6035, 7881, 8695, 9435, 10011, 11985, 13135, 16685, 18105, 26085, 29563, 39405, 44659, 50055, 56729, 88689, 123469, 133977, 147815, 170187, 223295, 283645, 370407, 443445, 617345, 669885, 850935, 1852035, 2098973, 6296919, 10494865, 31484595]

約数ペア:

[(1, 31484595), (3, 10494865), (5, 6296919), (15, 2098973), (17, 1852035), (37, 850935), (47, 669885), (51, 617345), (71, 443445), (85, 370407), (111, 283645), (141, 223295), (185, 170187), (213, 147815), (235, 133977), (255, 123469), (355, 88689), (555, 56729), (629, 50055), (705, 44659), (799, 39405), (1065, 29563), (1207, 26085), (1739, 18105), (1887, 16685), (2397, 13135), (2627, 11985), (3145, 10011), (3337, 9435), (3621, 8695), (3995, 7881), (5217, 6035)]