28412325

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:854

約数の個数: 36

約数和(自身を含む): 51227748

約数和(自身を除く): 22815423

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 591, 641, 985, 1773, 1923, 2955, 3205, 4925, 5769, 8865, 9615, 14775, 16025, 28845, 44325, 48075, 126277, 144225, 378831, 631385, 1136493, 1894155, 3156925, 5682465, 9470775, 28412325]

約数ペア:

[(1, 28412325), (3, 9470775), (5, 5682465), (9, 3156925), (15, 1894155), (25, 1136493), (45, 631385), (75, 378831), (197, 144225), (225, 126277), (591, 48075), (641, 44325), (985, 28845), (1773, 16025), (1923, 14775), (2955, 9615), (3205, 8865), (4925, 5769)]