28528425

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 51635584

約数和(自身を除く): 23107159

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 927, 1231, 1545, 2575, 3693, 4635, 6155, 7725, 11079, 18465, 23175, 30775, 55395, 92325, 126793, 276975, 380379, 633965, 1141137, 1901895, 3169825, 5705685, 9509475, 28528425]

約数ペア:

[(1, 28528425), (3, 9509475), (5, 5705685), (9, 3169825), (15, 1901895), (25, 1141137), (45, 633965), (75, 380379), (103, 276975), (225, 126793), (309, 92325), (515, 55395), (927, 30775), (1231, 23175), (1545, 18465), (2575, 11079), (3693, 7725), (4635, 6155)]