209512911

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 308367360

約数和(自身を除く): 98854449

約数列:

[1, 3, 23, 31, 41, 69, 93, 123, 713, 943, 1271, 2139, 2389, 2829, 3813, 7167, 29233, 54947, 74059, 87699, 97949, 164841, 222177, 293847, 1703357, 2252827, 3036419, 5110071, 6758481, 9109257, 69837637, 209512911]

約数ペア:

[(1, 209512911), (3, 69837637), (23, 9109257), (31, 6758481), (41, 5110071), (69, 3036419), (93, 2252827), (123, 1703357), (713, 293847), (943, 222177), (1271, 164841), (2139, 97949), (2389, 87699), (2829, 74059), (3813, 54947), (7167, 29233)]