55749981

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 31341219

約数列:

[1, 3, 7, 21, 71, 139, 213, 269, 417, 497, 807, 973, 1491, 1883, 2919, 5649, 9869, 19099, 29607, 37391, 57297, 69083, 112173, 133693, 207249, 261737, 401079, 785211, 2654761, 7964283, 18583327, 55749981]

約数ペア:

[(1, 55749981), (3, 18583327), (7, 7964283), (21, 2654761), (71, 785211), (139, 401079), (213, 261737), (269, 207249), (417, 133693), (497, 112173), (807, 69083), (973, 57297), (1491, 37391), (1883, 29607), (2919, 19099), (5649, 9869)]