161984826

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{15227}}^1$

素因数の和:15435

約数の個数: 32

約数和(自身を含む): 361817280

約数和(自身を除く): 199832454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 3546, 5319, 10638, 15227, 30454, 45681, 91362, 137043, 274086, 411129, 822258, 2999719, 5999438, 8999157, 17998314, 26997471, 53994942, 80992413, 161984826]

約数ペア:

[(1, 161984826), (2, 80992413), (3, 53994942), (6, 26997471), (9, 17998314), (18, 8999157), (27, 5999438), (54, 2999719), (197, 822258), (394, 411129), (591, 274086), (1182, 137043), (1773, 91362), (3546, 45681), (5319, 30454), (10638, 15227)]