28210707

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5147}}^1$

素因数の和:5192

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 21210093

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5147, 5481, 15441, 36029, 46323, 108087, 138969, 149263, 324261, 447789, 972783, 1044841, 1343367, 3134523, 4030101, 9403569, 28210707]

約数ペア:

[(1, 28210707), (3, 9403569), (7, 4030101), (9, 3134523), (21, 1343367), (27, 1044841), (29, 972783), (63, 447789), (87, 324261), (189, 149263), (203, 138969), (261, 108087), (609, 46323), (783, 36029), (1827, 15441), (5147, 5481)]