2003663949

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191977}}^1$

素因数の和:192065

約数の個数: 24

約数和(自身を含む): 3151510848

約数和(自身を除く): 1147846899

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 191977, 575931, 1343839, 4031517, 9406873, 13630367, 28220619, 40891101, 95412569, 286237707, 667887983, 2003663949]

約数ペア:

[(1, 2003663949), (3, 667887983), (7, 286237707), (21, 95412569), (49, 40891101), (71, 28220619), (147, 13630367), (213, 9406873), (497, 4031517), (1491, 1343839), (3479, 575931), (10437, 191977)]