28764477

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 49708736

約数和(自身を除く): 20944259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 523, 567, 679, 873, 1569, 2037, 2619, 3661, 4707, 6111, 7857, 10983, 14121, 18333, 32949, 42363, 50731, 54999, 98847, 152193, 296541, 355117, 456579, 1065351, 1369737, 3196053, 4109211, 9588159, 28764477]

約数ペア:

[(1, 28764477), (3, 9588159), (7, 4109211), (9, 3196053), (21, 1369737), (27, 1065351), (63, 456579), (81, 355117), (97, 296541), (189, 152193), (291, 98847), (523, 54999), (567, 50731), (679, 42363), (873, 32949), (1569, 18333), (2037, 14121), (2619, 10983), (3661, 7857), (4707, 6111)]