16905726081

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{359}}^1\times {\mathrm{7237}}^1$

素因数の和:7846

約数の個数: 32

約数和(自身を含む): 25222982400

約数和(自身を除く): 8317256319

約数列:

[1, 3, 9, 27, 241, 359, 723, 1077, 2169, 3231, 6507, 7237, 9693, 21711, 65133, 86519, 195399, 259557, 778671, 1744117, 2336013, 2598083, 5232351, 7794249, 15697053, 23382747, 47091159, 70148241, 626138003, 1878414009, 5635242027, 16905726081]

約数ペア:

[(1, 16905726081), (3, 5635242027), (9, 1878414009), (27, 626138003), (241, 70148241), (359, 47091159), (723, 23382747), (1077, 15697053), (2169, 7794249), (3231, 5232351), (6507, 2598083), (7237, 2336013), (9693, 1744117), (21711, 778671), (65133, 259557), (86519, 195399)]