28773549

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 50738688

約数和(自身を除く): 21965139

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1637, 1953, 2511, 4911, 5859, 11459, 14733, 17577, 34377, 44199, 50747, 103131, 132597, 152241, 309393, 355229, 456723, 928179, 1065687, 1370169, 3197061, 4110507, 9591183, 28773549]

約数ペア:

[(1, 28773549), (3, 9591183), (7, 4110507), (9, 3197061), (21, 1370169), (27, 1065687), (31, 928179), (63, 456723), (81, 355229), (93, 309393), (189, 152241), (217, 132597), (279, 103131), (567, 50747), (651, 44199), (837, 34377), (1637, 17577), (1953, 14733), (2511, 11459), (4911, 5859)]