29907969

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 49803264

約数和(自身を除く): 19895295

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 1543, 2769, 4629, 6461, 10801, 19383, 20059, 32403, 60177, 109553, 140413, 328659, 421239, 766871, 1424189, 2300613, 4272567, 9969323, 29907969]

約数ペア:

[(1, 29907969), (3, 9969323), (7, 4272567), (13, 2300613), (21, 1424189), (39, 766871), (71, 421239), (91, 328659), (213, 140413), (273, 109553), (497, 60177), (923, 32403), (1491, 20059), (1543, 19383), (2769, 10801), (4629, 6461)]