28484757

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5197}}^1$

素因数の和:5242

約数の個数: 32

約数和(自身を含む): 49900800

約数和(自身を除く): 21416043

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5197, 5481, 15591, 36379, 46773, 109137, 140319, 150713, 327411, 452139, 982233, 1054991, 1356417, 3164973, 4069251, 9494919, 28484757]

約数ペア:

[(1, 28484757), (3, 9494919), (7, 4069251), (9, 3164973), (21, 1356417), (27, 1054991), (29, 982233), (63, 452139), (87, 327411), (189, 150713), (203, 140319), (261, 109137), (609, 46773), (783, 36379), (1827, 15591), (5197, 5481)]