291253185

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 548352000

約数和(自身を除く): 257098815

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 271, 285, 419, 513, 813, 855, 1257, 1355, 2095, 2439, 2565, 3771, 4065, 5149, 6285, 7317, 7961, 11313, 12195, 15447, 18855, 23883, 25745, 36585, 39805, 46341, 56565, 71649, 77235, 113549, 119415, 139023, 214947, 231705, 340647, 358245, 567745, 695115, 1021941, 1074735, 1703235, 2157431, 3065823, 5109705, 6472293, 10787155, 15329115, 19416879, 32361465, 58250637, 97084395, 291253185]

約数ペア:

[(1, 291253185), (3, 97084395), (5, 58250637), (9, 32361465), (15, 19416879), (19, 15329115), (27, 10787155), (45, 6472293), (57, 5109705), (95, 3065823), (135, 2157431), (171, 1703235), (271, 1074735), (285, 1021941), (419, 695115), (513, 567745), (813, 358245), (855, 340647), (1257, 231705), (1355, 214947), (2095, 139023), (2439, 119415), (2565, 113549), (3771, 77235), (4065, 71649), (5149, 56565), (6285, 46341), (7317, 39805), (7961, 36585), (11313, 25745), (12195, 23883), (15447, 18855)]