257282913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1733}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 377540352

約数和(自身を除く): 120257439

約数列:

[1, 3, 17, 41, 51, 71, 123, 213, 697, 1207, 1733, 2091, 2911, 3621, 5199, 8733, 29461, 49487, 71053, 88383, 123043, 148461, 213159, 369129, 1207901, 2091731, 3623703, 5044763, 6275193, 15134289, 85760971, 257282913]

約数ペア:

[(1, 257282913), (3, 85760971), (17, 15134289), (41, 6275193), (51, 5044763), (71, 3623703), (123, 2091731), (213, 1207901), (697, 369129), (1207, 213159), (1733, 148461), (2091, 123043), (2911, 88383), (3621, 71053), (5199, 49487), (8733, 29461)]