2108589

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 3440640

約数和(自身を除く): 1332051

約数列:

[1, 3, 7, 21, 31, 41, 79, 93, 123, 217, 237, 287, 553, 651, 861, 1271, 1659, 2449, 3239, 3813, 7347, 8897, 9717, 17143, 22673, 26691, 51429, 68019, 100409, 301227, 702863, 2108589]

約数ペア:

[(1, 2108589), (3, 702863), (7, 301227), (21, 100409), (31, 68019), (41, 51429), (79, 26691), (93, 22673), (123, 17143), (217, 9717), (237, 8897), (287, 7347), (553, 3813), (651, 3239), (861, 2449), (1271, 1659)]