2011494681

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149899}}^1$

素因数の和:149986

約数の個数: 32

約数和(自身を含む): 3453696000

約数和(自身を除く): 1442201319

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 149899, 449697, 1049293, 1349091, 3147879, 4047273, 9443637, 10642829, 28330911, 31928487, 74499803, 95785461, 223499409, 287356383, 670498227, 2011494681]

約数ペア:

[(1, 2011494681), (3, 670498227), (7, 287356383), (9, 223499409), (21, 95785461), (27, 74499803), (63, 31928487), (71, 28330911), (189, 10642829), (213, 9443637), (497, 4047273), (639, 3147879), (1491, 1349091), (1917, 1049293), (4473, 449697), (13419, 149899)]