263137503

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 382579200

約数和(自身を除く): 119441697

約数列:

[1, 3, 23, 29, 69, 87, 107, 321, 667, 1229, 2001, 2461, 3103, 3687, 7383, 9309, 28267, 35641, 71369, 84801, 106923, 131503, 214107, 394509, 819743, 2459229, 3024569, 3813587, 9073707, 11440761, 87712501, 263137503]

約数ペア:

[(1, 263137503), (3, 87712501), (23, 11440761), (29, 9073707), (69, 3813587), (87, 3024569), (107, 2459229), (321, 819743), (667, 394509), (1229, 214107), (2001, 131503), (2461, 106923), (3103, 84801), (3687, 71369), (7383, 35641), (9309, 28267)]