28434825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:2998

約数の個数: 36

約数和(自身を含む): 52132080

約数和(自身を除く): 23697255

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2939, 3225, 8817, 9675, 14695, 26451, 44085, 73475, 126377, 132255, 220425, 379131, 631885, 661275, 1137393, 1895655, 3159425, 5686965, 9478275, 28434825]

約数ペア:

[(1, 28434825), (3, 9478275), (5, 5686965), (9, 3159425), (15, 1895655), (25, 1137393), (43, 661275), (45, 631885), (75, 379131), (129, 220425), (215, 132255), (225, 126377), (387, 73475), (645, 44085), (1075, 26451), (1935, 14695), (2939, 9675), (3225, 8817)]