2887521

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 4826304

約数和(自身を除く): 1938783

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1511, 1911, 4533, 10577, 19643, 31731, 58929, 74039, 137501, 222117, 412503, 962507, 2887521]

約数ペア:

[(1, 2887521), (3, 962507), (7, 412503), (13, 222117), (21, 137501), (39, 74039), (49, 58929), (91, 31731), (147, 19643), (273, 10577), (637, 4533), (1511, 1911)]