28014579

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{991}}^1$

素因数の和:1352

約数の個数: 20

約数和(自身を含む): 42011200

約数和(自身を除く): 13996621

約数列:

[1, 3, 9, 27, 81, 349, 991, 1047, 2973, 3141, 8919, 9423, 26757, 28269, 80271, 345859, 1037577, 3112731, 9338193, 28014579]

約数ペア:

[(1, 28014579), (3, 9338193), (9, 3112731), (27, 1037577), (81, 345859), (349, 80271), (991, 28269), (1047, 26757), (2973, 9423), (3141, 8919)]