891494247

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{1297}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 1381653504

約数和(自身を除く): 490159257

約数列:

[1, 3, 7, 21, 71, 213, 461, 497, 1297, 1383, 1491, 3227, 3891, 9079, 9681, 27237, 32731, 92087, 98193, 229117, 276261, 597917, 644609, 687351, 1793751, 1933827, 4185419, 12556257, 42452107, 127356321, 297164749, 891494247]

約数ペア:

[(1, 891494247), (3, 297164749), (7, 127356321), (21, 42452107), (71, 12556257), (213, 4185419), (461, 1933827), (497, 1793751), (1297, 687351), (1383, 644609), (1491, 597917), (3227, 276261), (3891, 229117), (9079, 98193), (9681, 92087), (27237, 32731)]