28698957

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1182

約数の個数: 36

約数和(自身を含む): 49083840

約数和(自身を除く): 20384883

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1103, 1239, 2891, 3309, 3717, 7721, 8673, 9927, 23163, 26019, 54047, 65077, 69489, 162141, 195231, 455539, 486423, 585693, 1366617, 3188773, 4099851, 9566319, 28698957]

約数ペア:

[(1, 28698957), (3, 9566319), (7, 4099851), (9, 3188773), (21, 1366617), (49, 585693), (59, 486423), (63, 455539), (147, 195231), (177, 162141), (413, 69489), (441, 65077), (531, 54047), (1103, 26019), (1239, 23163), (2891, 9927), (3309, 8673), (3717, 7721)]