25482681

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 44448768

約数和(自身を除く): 18966087

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 211, 213, 243, 497, 567, 633, 639, 1477, 1491, 1701, 1899, 1917, 4431, 4473, 5697, 5751, 13293, 13419, 14981, 17091, 17253, 39879, 40257, 44943, 51273, 104867, 119637, 120771, 134829, 314601, 358911, 404487, 943803, 1213461, 2831409, 3640383, 8494227, 25482681]

約数ペア:

[(1, 25482681), (3, 8494227), (7, 3640383), (9, 2831409), (21, 1213461), (27, 943803), (63, 404487), (71, 358911), (81, 314601), (189, 134829), (211, 120771), (213, 119637), (243, 104867), (497, 51273), (567, 44943), (633, 40257), (639, 39879), (1477, 17253), (1491, 17091), (1701, 14981), (1899, 13419), (1917, 13293), (4431, 5751), (4473, 5697)]