81537159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 124717824

約数和(自身を除く): 43180665

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 407, 473, 1221, 1419, 1553, 1591, 4659, 4773, 17083, 17501, 51249, 52503, 57461, 66779, 172383, 200337, 632071, 734569, 1896213, 2203707, 2470823, 7412469, 27179053, 81537159]

約数ペア:

[(1, 81537159), (3, 27179053), (11, 7412469), (33, 2470823), (37, 2203707), (43, 1896213), (111, 734569), (129, 632071), (407, 200337), (473, 172383), (1221, 66779), (1419, 57461), (1553, 52503), (1591, 51249), (4659, 17501), (4773, 17083)]