28266777

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5827}}^1$

素因数の和:5858

約数の個数: 36

約数和(自身を含む): 51822576

約数和(自身を除く): 23555799

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 5827, 17481, 40789, 52443, 64097, 122367, 192291, 285523, 367101, 448679, 576873, 856569, 1346037, 2569707, 3140753, 4038111, 9422259, 28266777]

約数ペア:

[(1, 28266777), (3, 9422259), (7, 4038111), (9, 3140753), (11, 2569707), (21, 1346037), (33, 856569), (49, 576873), (63, 448679), (77, 367101), (99, 285523), (147, 192291), (231, 122367), (441, 64097), (539, 52443), (693, 40789), (1617, 17481), (4851, 5827)]